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23632725 = 352315103
BaseRepresentation
bin101101000100…
…1101101010101
31122110200000010
41122021231111
522022221400
62202310433
7404606034
oct132115525
948420003
1023632725
1112381686
127ab8419
134b85a7c
1431d271b
15211c450
hex1689b55

23632725 has 12 divisors (see below), whose sum is σ = 39072896. Its totient is φ = 12604080.

The previous prime is 23632699. The next prime is 23632727. The reversal of 23632725 is 52723632.

It is not a de Polignac number, because 23632725 - 27 = 23632597 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23632692 and 23632701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23632727) 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, 157477 + ... + 157626.

Almost surely, 223632725 is an apocalyptic number.

23632725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23632725 is a deficient number, since it is larger than the sum of its proper divisors (15440171).

23632725 is a wasteful number, since it uses less digits than its factorization.

23632725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315116 (or 315111 counting only the distinct ones).

The product of its digits is 15120, while the sum is 30.

The square root of 23632725 is about 4861.3501211083. The cubic root of 23632725 is about 286.9709489143.

The spelling of 23632725 in words is "twenty-three million, six hundred thirty-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 315103 945309 1575515 4726545 7877575 23632725