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23965695 = 3251371577
BaseRepresentation
bin101101101101…
…0111111111111
31200002120202100
41123122333333
522113400240
62213400143
7410463555
oct133327777
950076670
1023965695
1112589866
128039053
134c714b0
14327bbd5
152185e30
hex16dafff

23965695 has 48 divisors (see below), whose sum is σ = 45444672. Its totient is φ = 11612160.

The previous prime is 23965691. The next prime is 23965703. The reversal of 23965695 is 59656932.

It is not a de Polignac number, because 23965695 - 22 = 23965691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23965695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23965691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41247 + ... + 41823.

It is an arithmetic number, because the mean of its divisors is an integer number (946764).

Almost surely, 223965695 is an apocalyptic number.

23965695 is a deficient number, since it is larger than the sum of its proper divisors (21478977).

23965695 is a wasteful number, since it uses less digits than its factorization.

23965695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 669 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 23965695 is about 4895.4769941243. The cubic root of 23965695 is about 288.3124141624.

The spelling of 23965695 in words is "twenty-three million, nine hundred sixty-five thousand, six hundred ninety-five".

Divisors: 1 3 5 9 13 15 39 45 65 71 117 195 213 355 577 585 639 923 1065 1731 2769 2885 3195 4615 5193 7501 8307 8655 13845 22503 25965 37505 40967 41535 67509 112515 122901 204835 337545 368703 532571 614505 1597713 1843515 2662855 4793139 7988565 23965695