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23468661 = 3217315073
BaseRepresentation
bin101100110000…
…1101001110101
31122011022221200
41121201221311
522001444121
62155003113
7403323516
oct131415165
948138850
1023468661
111227a397
127a39499
134b291a8
14318ca0d
1520d8a26
hex1661a75

23468661 has 12 divisors (see below), whose sum is σ = 34097388. Its totient is φ = 15554304.

The previous prime is 23468659. The next prime is 23468707. The reversal of 23468661 is 16686432.

It can be written as a sum of positive squares in 2 ways, for example, as 16966161 + 6502500 = 4119^2 + 2550^2 .

It is not a de Polignac number, because 23468661 - 21 = 23468659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23468611) 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 11 ways as a sum of consecutive naturals, for example, 5980 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (2841449).

Almost surely, 223468661 is an apocalyptic number.

It is an amenable number.

23468661 is a deficient number, since it is larger than the sum of its proper divisors (10628727).

23468661 is a wasteful number, since it uses less digits than its factorization.

23468661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15252 (or 15249 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 23468661 is about 4844.4464080016. The cubic root of 23468661 is about 286.3053327052.

The spelling of 23468661 in words is "twenty-three million, four hundred sixty-eight thousand, six hundred sixty-one".

Divisors: 1 3 9 173 519 1557 15073 45219 135657 2607629 7822887 23468661