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9045681 = 313123017
BaseRepresentation
bin100010100000…
…011010110001
3122000120100020
4202200122301
54303430211
6521514053
7136613151
oct42403261
918016306
109045681
115119177
123042929
131b49398
1412b6761
15bda306
hex8a06b1

9045681 has 8 divisors (see below), whose sum is σ = 12153504. Its totient is φ = 5984160.

The previous prime is 9045679. The next prime is 9045689. The reversal of 9045681 is 1865409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9045681 - 21 = 9045679 is a prime.

It is a super-2 number, since 2×90456812 = 163648689507522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9045689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11116 + ... + 11901.

It is an arithmetic number, because the mean of its divisors is an integer number (1519188).

Almost surely, 29045681 is an apocalyptic number.

It is an amenable number.

9045681 is a deficient number, since it is larger than the sum of its proper divisors (3107823).

9045681 is a wasteful number, since it uses less digits than its factorization.

9045681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23151.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 9045681 is about 3007.6038635432. The cubic root of 9045681 is about 208.3597156278.

The spelling of 9045681 in words is "nine million, forty-five thousand, six hundred eighty-one".

Divisors: 1 3 131 393 23017 69051 3015227 9045681