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23056007 = 1353109307
BaseRepresentation
bin101011111110…
…0111010000111
31121101100220012
41113330322013
521400243012
62142100435
7366654452
oct127747207
947340805
1023056007
1112018357
12787a71b
134a13410
1430c2499
152056622
hex15fce87

23056007 has 16 divisors (see below), whose sum is σ = 25613280. Its totient is φ = 20621952.

The previous prime is 23056003. The next prime is 23056021. The reversal of 23056007 is 70065032.

It is not a de Polignac number, because 23056007 - 22 = 23056003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74948 + ... + 75254.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 223056007 is an apocalyptic number.

23056007 is a deficient number, since it is larger than the sum of its proper divisors (2557273).

23056007 is a wasteful number, since it uses less digits than its factorization.

23056007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 23056007 is about 4801.6671063288. The cubic root of 23056007 is about 284.6173463164.

The spelling of 23056007 in words is "twenty-three million, fifty-six thousand, seven".

Divisors: 1 13 53 109 307 689 1417 3991 5777 16271 33463 75101 211523 435019 1773539 23056007