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23565725 = 521635783
BaseRepresentation
bin101100111100…
…1010110011101
31122100021002122
41121321112131
522013100400
62201032325
7404206511
oct131712635
948307078
1023565725
1112336307
127a856a5
134b61421
1431b6141
152107685
hex167959d

23565725 has 12 divisors (see below), whose sum is σ = 29405856. Its totient is φ = 18733680.

The previous prime is 23565683. The next prime is 23565727. The reversal of 23565725 is 52756532.

It is not a de Polignac number, because 23565725 - 28 = 23565469 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 (23565727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184 + ... + 6966.

It is an arithmetic number, because the mean of its divisors is an integer number (2450488).

Almost surely, 223565725 is an apocalyptic number.

23565725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23565725 is a deficient number, since it is larger than the sum of its proper divisors (5840131).

23565725 is a wasteful number, since it uses less digits than its factorization.

23565725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956 (or 5951 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 23565725 is about 4854.4541402716. The cubic root of 23565725 is about 286.6994997247.

The spelling of 23565725 in words is "twenty-three million, five hundred sixty-five thousand, seven hundred twenty-five".

Divisors: 1 5 25 163 815 4075 5783 28915 144575 942629 4713145 23565725