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23952925 = 52312997
BaseRepresentation
bin101101101011…
…1111000011101
31200001221020101
41123113320131
522112443200
62213221101
7410411413
oct133277035
950057211
1023952925
1112580207
128031791
134c68739
1432772b3
15218226a
hex16d7e1d

23952925 has 18 divisors (see below), whose sum is σ = 30721434. Its totient is φ = 18525600.

The previous prime is 23952919. The next prime is 23952947. The reversal of 23952925 is 52925932.

It can be written as a sum of positive squares in 3 ways, for example, as 4575321 + 19377604 = 2139^2 + 4402^2 .

It is not a de Polignac number, because 23952925 - 25 = 23952893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23527 + ... + 24523.

Almost surely, 223952925 is an apocalyptic number.

23952925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23952925 is a deficient number, since it is larger than the sum of its proper divisors (6768509).

23952925 is an equidigital number, since it uses as much as digits as its factorization.

23952925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1033 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 23952925 is about 4894.1725551926. The cubic root of 23952925 is about 288.2611964578.

The spelling of 23952925 in words is "twenty-three million, nine hundred fifty-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 31 155 775 961 997 4805 4985 24025 24925 30907 154535 772675 958117 4790585 23952925