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23250829 = 715121997
BaseRepresentation
bin101100010110…
…0011110001101
31121202021010211
41120230132031
521423011304
62150202421
7401425450
oct130543615
947667124
1023250829
1112140768
127953411
134a80cb4
143133497
152094204
hex162c78d

23250829 has 8 divisors (see below), whose sum is σ = 26749568. Its totient is φ = 19796400.

The previous prime is 23250827. The next prime is 23250859. The reversal of 23250829 is 92805232.

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 23250829 - 21 = 23250827 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 23250829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23250827) 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 7 ways as a sum of consecutive naturals, for example, 9942 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (3343696).

Almost surely, 223250829 is an apocalyptic number.

It is an amenable number.

23250829 is a deficient number, since it is larger than the sum of its proper divisors (3498739).

23250829 is a wasteful number, since it uses less digits than its factorization.

23250829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22155.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23250829 is about 4821.9113430257. The cubic root of 23250829 is about 285.4167658538.

The spelling of 23250829 in words is "twenty-three million, two hundred fifty thousand, eight hundred twenty-nine".

Divisors: 1 7 151 1057 21997 153979 3321547 23250829