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113912929 = 1328212
BaseRepresentation
bin1101100101000…
…10110001100001
321221100101011101
412302202301201
5213130203204
615145314401
72552146444
oct662426141
9257311141
10113912929
1159334519
1232195a01
131a7a5400
14111b365b
15a001ea4
hex6ca2c61

113912929 has 9 divisors (see below), whose sum is σ = 123499929. Its totient is φ = 105022320.

The previous prime is 113912921. The next prime is 113912947. The reversal of 113912929 is 929219311.

It is a happy number.

The square root of 113912929 is 10673.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39125025 + 74787904 = 6255^2 + 8648^2 .

It is not a de Polignac number, because 113912929 - 23 = 113912921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113912921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 138339 + ... + 139159.

Almost surely, 2113912929 is an apocalyptic number.

113912929 is the 10673-rd square number.

113912929 is the 5337-th centered octagonal number.

It is an amenable number.

113912929 is a deficient number, since it is larger than the sum of its proper divisors (9587000).

113912929 is an frugal number, since it uses more digits than its factorization.

113912929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 834 counting only the distinct ones).

The product of its digits is 8748, while the sum is 37.

The cubic root of 113912929 is about 484.7572796197.

The spelling of 113912929 in words is "one hundred thirteen million, nine hundred twelve thousand, nine hundred twenty-nine".

Divisors: 1 13 169 821 10673 138749 674041 8762533 113912929