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9107912 = 23112972
BaseRepresentation
bin100010101111…
…100111001000
3122010201201002
4202233213020
54312423122
6523114132
7140262452
oct42574710
918121632
109107912
115160a00
123072948
131b6b7c8
1412d12d2
15bed992
hex8af9c8

9107912 has 36 divisors (see below), whose sum is σ = 18966465. Its totient is φ = 4097280.

The previous prime is 9107909. The next prime is 9107941. The reversal of 9107912 is 2197019.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

9107912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9084196 + 23716 = 3014^2 + 154^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=2134.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 93848 + ... + 93944.

Almost surely, 29107912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9107912

9107912 is an abundant number, since it is smaller than the sum of its proper divisors (9858553).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9107912 is a wasteful number, since it uses less digits than its factorization.

9107912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 9107912 is about 3017.9317421042. The cubic root of 9107912 is about 208.8364371265.

The spelling of 9107912 in words is "nine million, one hundred seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 97 121 194 242 388 484 776 968 1067 2134 4268 8536 9409 11737 18818 23474 37636 46948 75272 93896 103499 206998 413996 827992 1138489 2276978 4553956 9107912