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23253079 = 109383557
BaseRepresentation
bin101100010110…
…1000001010111
31121202101020011
41120231001113
521423044304
62150221051
7401435143
oct130550127
947671204
1023253079
1112142423
127954787
134a82025
143134223
152094c04
hex162d057

23253079 has 8 divisors (see below), whose sum is σ = 23569920. Its totient is φ = 22938336.

The previous prime is 23253077. The next prime is 23253107. The reversal of 23253079 is 97035232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23253079 - 21 = 23253077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23253079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23253071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41469 + ... + 42025.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 223253079 is an apocalyptic number.

23253079 is a deficient number, since it is larger than the sum of its proper divisors (316841).

23253079 is a wasteful number, since it uses less digits than its factorization.

23253079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 23253079 is about 4822.1446473535. The cubic root of 23253079 is about 285.4259722210.

The spelling of 23253079 in words is "twenty-three million, two hundred fifty-three thousand, seventy-nine".

Divisors: 1 109 383 557 41747 60713 213331 23253079