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23056516 = 227823447
BaseRepresentation
bin101011111110…
…1000010000100
31121101101121001
41113331002010
521400302031
62142103044
7366656110
oct127750204
947341531
1023056516
111201877a
12787aa84
134a13712
1430c2740
152056861
hex15fd084

23056516 has 12 divisors (see below), whose sum is σ = 46113088. Its totient is φ = 9881352.

The previous prime is 23056507. The next prime is 23056531. The reversal of 23056516 is 61565032.

23056516 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 823447 = 23056516 / (2 + 3 + 0 + 5 + 6 + 5 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411696 + ... + 411751.

Almost surely, 223056516 is an apocalyptic number.

It is an amenable number.

23056516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23056516 is a wasteful number, since it uses less digits than its factorization.

23056516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823458 (or 823456 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 23056516 is about 4801.7201084611. The cubic root of 23056516 is about 284.6194407693.

The spelling of 23056516 in words is "twenty-three million, fifty-six thousand, five hundred sixteen".

Divisors: 1 2 4 7 14 28 823447 1646894 3293788 5764129 11528258 23056516