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23056253 = 11191071031
BaseRepresentation
bin101011111110…
…0111101111101
31121101101020022
41113330331331
521400300003
62142101525
7366655253
oct127747575
947341208
1023056253
1112018560
12787a8a5
134a1356c
1430c25d3
152056738
hex15fcf7d

23056253 has 16 divisors (see below), whose sum is σ = 26749440. Its totient is φ = 19652400.

The previous prime is 23056211. The next prime is 23056261. The reversal of 23056253 is 35265032.

It is a cyclic number.

It is not a de Polignac number, because 23056253 - 210 = 23055229 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 (23056283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21848 + ... + 22878.

It is an arithmetic number, because the mean of its divisors is an integer number (1671840).

Almost surely, 223056253 is an apocalyptic number.

It is an amenable number.

23056253 is a deficient number, since it is larger than the sum of its proper divisors (3693187).

23056253 is a wasteful number, since it uses less digits than its factorization.

23056253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 23056253 is about 4801.6927223636. The cubic root of 23056253 is about 284.6183585706.

It can be divided in two parts, 2305 and 6253, that added together give a palindrome (8558).

The spelling of 23056253 in words is "twenty-three million, fifty-six thousand, two hundred fifty-three".

Divisors: 1 11 19 107 209 1031 1177 2033 11341 19589 22363 110317 215479 1213487 2096023 23056253