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23104975 = 524321493
BaseRepresentation
bin101100000100…
…0110111001111
31121110212001211
41120020313033
521403324400
62143115251
7400250305
oct130106717
947425054
1023104975
1112051123
1278a2b27
134a2c7aa
1430d6275
152065dba
hex1608dcf

23104975 has 12 divisors (see below), whose sum is σ = 29317816. Its totient is φ = 18053280.

The previous prime is 23104973. The next prime is 23104981. The reversal of 23104975 is 57940132.

It is not a de Polignac number, because 23104975 - 21 = 23104973 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23104973) 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, 9672 + ... + 11821.

Almost surely, 223104975 is an apocalyptic number.

23104975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23104975 is a deficient number, since it is larger than the sum of its proper divisors (6212841).

23104975 is a wasteful number, since it uses less digits than its factorization.

23104975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21546 (or 21541 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 23104975 is about 4806.7634641201. The cubic root of 23104975 is about 284.8187007391.

The spelling of 23104975 in words is "twenty-three million, one hundred four thousand, nine hundred seventy-five".

Divisors: 1 5 25 43 215 1075 21493 107465 537325 924199 4620995 23104975