# 62 (number)

62 (sixty-two) is the natural number following 61 and preceding 63.

 ← 61 62 63 →
Cardinalsixty-two
Ordinal62nd
(sixty-second)
Factorization2 × 31
Divisors1, 2, 31, 62
Greek numeralΞΒ´
Roman numeralLXII
Binary1111102
Ternary20223
Senary1426
Octal768
Duodecimal5212

## In mathematics

62 is:

• The 43rd composite number with the divisors 2 and 31, being the eighteenth discrete semiprime.
• a nontotient.
• palindromic and a repdigit in bases 5 (2225) and 30 (2230)
• the sum of the number of faces, edges and vertices of icosahedron or dodecahedron.
• the number of faces of two of the Archimedean solids, the rhombicosidodecahedron and truncated icosidodecahedron.
• the smallest number that is the sum of three distinct positive squares in two ways, $1^{2}+5^{2}+6^{2}=2^{2}+3^{2}+7^{2}$  
• the only number whose cube in base 10 (238328) consists of 3 digits each occurring 2 times.
• the tenth member of the 7-aliquot tree (7, 8, 10, 14, 20, 22, 34, 38, 49, 62, 75, 118, 148, etc). It has an aliquot sum of 34; itself a discrete semiprime, and its aliquot sequence is: 62,34,20,22,14,10,8,7,1,0.
• The 20th & 21st, 72nd & 73rd, 75th & 76th digits of pi.