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23115102 = 235372689
BaseRepresentation
bin101100000101…
…1010101011110
31121111100221220
41120023111132
521404140402
62143234210
7400321653
oct130132536
947440856
1023115102
111205879a
1278a8966
134a3429a
1430d9c2a
152068dbc
hex160b55e

23115102 has 16 divisors (see below), whose sum is σ = 47103120. Its totient is φ = 7559552.

The previous prime is 23115097. The next prime is 23115109. The reversal of 23115102 is 20151132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115109) 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, 36027 + ... + 36662.

It is an arithmetic number, because the mean of its divisors is an integer number (2943945).

Almost surely, 223115102 is an apocalyptic number.

23115102 is an abundant number, since it is smaller than the sum of its proper divisors (23988018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23115102 is a wasteful number, since it uses less digits than its factorization.

23115102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72747.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 23115102 is about 4807.8167602354. The cubic root of 23115102 is about 284.8603070407.

Adding to 23115102 its reverse (20151132), we get a palindrome (43266234).

The spelling of 23115102 in words is "twenty-three million, one hundred fifteen thousand, one hundred two".

Divisors: 1 2 3 6 53 106 159 318 72689 145378 218067 436134 3852517 7705034 11557551 23115102