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23375425 = 521755001
BaseRepresentation
bin101100100101…
…0111001000001
31121222121001111
41121022321001
521441003200
62153003321
7402454633
oct131127101
947877044
1023375425
1112216337
1279b3541
134ac5918
143166a53
1520bb0ba
hex164ae41

23375425 has 12 divisors (see below), whose sum is σ = 30691116. Its totient is φ = 17600000.

The previous prime is 23375423. The next prime is 23375437. The reversal of 23375425 is 52457332.

It can be written as a sum of positive squares in 6 ways, for example, as 2362369 + 21013056 = 1537^2 + 4584^2 .

It is not a de Polignac number, because 23375425 - 21 = 23375423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23375423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27076 + ... + 27925.

It is an arithmetic number, because the mean of its divisors is an integer number (2557593).

Almost surely, 223375425 is an apocalyptic number.

23375425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23375425 is a deficient number, since it is larger than the sum of its proper divisors (7315691).

23375425 is a wasteful number, since it uses less digits than its factorization.

23375425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55028 (or 55023 counting only the distinct ones).

The product of its digits is 25200, while the sum is 31.

The square root of 23375425 is about 4834.8138537073. The cubic root of 23375425 is about 285.9256861055.

The spelling of 23375425 in words is "twenty-three million, three hundred seventy-five thousand, four hundred twenty-five".

Divisors: 1 5 17 25 85 425 55001 275005 935017 1375025 4675085 23375425