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23115464 = 2323312401
BaseRepresentation
bin101100000101…
…1011011001000
31121111101110022
41120023123020
521404143324
62143240012
7400323011
oct130133310
947441408
1023115464
1112058a99
1278a9008
134a344b8
1430da008
15206905e
hex160b6c8

23115464 has 16 divisors (see below), whose sum is σ = 43531020. Its totient is φ = 11507200.

The previous prime is 23115451. The next prime is 23115497. The reversal of 23115464 is 46451132.

It can be written as a sum of positive squares in 2 ways, for example, as 21996100 + 1119364 = 4690^2 + 1058^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4337 + ... + 8064.

Almost surely, 223115464 is an apocalyptic number.

It is an amenable number.

23115464 is a deficient number, since it is larger than the sum of its proper divisors (20415556).

23115464 is a wasteful number, since it uses less digits than its factorization.

23115464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12640 (or 12636 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 23115464 is about 4807.8544071134. The cubic root of 23115464 is about 284.8617940757.

Adding to 23115464 its reverse (46451132), we get a palindrome (69566596).

The spelling of 23115464 in words is "twenty-three million, one hundred fifteen thousand, four hundred sixty-four".

Divisors: 1 2 4 8 233 466 932 1864 12401 24802 49604 99208 2889433 5778866 11557732 23115464