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23400575 = 521185093
BaseRepresentation
bin101100101000…
…1000001111111
31122000212112222
41121101001333
521442304300
62153315555
7402621152
oct131210177
948025488
1023400575
1112233220
127a05bbb
134b041c3
143171c99
1520c3785
hex165107f

23400575 has 12 divisors (see below), whose sum is σ = 31654968. Its totient is φ = 17018400.

The previous prime is 23400529. The next prime is 23400617. The reversal of 23400575 is 57500432.

It is not a de Polignac number, because 23400575 - 214 = 23384191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 42272 + ... + 42821.

It is an arithmetic number, because the mean of its divisors is an integer number (2637914).

Almost surely, 223400575 is an apocalyptic number.

23400575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23400575 is a deficient number, since it is larger than the sum of its proper divisors (8254393).

23400575 is a wasteful number, since it uses less digits than its factorization.

23400575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85114 (or 85109 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23400575 is about 4837.4140819243. The cubic root of 23400575 is about 286.0281933835.

The spelling of 23400575 in words is "twenty-three million, four hundred thousand, five hundred seventy-five".

Divisors: 1 5 11 25 55 275 85093 425465 936023 2127325 4680115 23400575