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23125356 = 22321933809
BaseRepresentation
bin101100000110…
…1110101101100
31121111220000200
41120031311230
521410002411
62143353500
7400363602
oct130156554
947456020
1023125356
1112065471
1278b2890
134a38b57
1430dd872
15206be56
hex160dd6c

23125356 has 36 divisors (see below), whose sum is σ = 61534200. Its totient is φ = 7302528.

The previous prime is 23125351. The next prime is 23125367. The reversal of 23125356 is 65352132.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (23125351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16221 + ... + 17588.

Almost surely, 223125356 is an apocalyptic number.

It is an amenable number.

23125356 is an abundant number, since it is smaller than the sum of its proper divisors (38408844).

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

23125356 is a wasteful number, since it uses less digits than its factorization.

23125356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33838 (or 33833 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23125356 is about 4808.8830303928. The cubic root of 23125356 is about 284.9024227360.

Adding to 23125356 its reverse (65352132), we get a palindrome (88477488).

The spelling of 23125356 in words is "twenty-three million, one hundred twenty-five thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 33809 67618 101427 135236 202854 304281 405708 608562 642371 1217124 1284742 1927113 2569484 3854226 5781339 7708452 11562678 23125356