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12147164 = 223197961
BaseRepresentation
bin101110010101…
…100111011100
3211212010202222
4232111213130
511102202124
61112204512
7205151321
oct56254734
924763688
1012147164
116947387
124099738
132693c93
141882b48
1510ee25e
hexb959dc

12147164 has 12 divisors (see below), whose sum is σ = 21943488. Its totient is φ = 5877600.

The previous prime is 12147139. The next prime is 12147173. The reversal of 12147164 is 46174121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48857 + ... + 49104.

It is an arithmetic number, because the mean of its divisors is an integer number (1828624).

Almost surely, 212147164 is an apocalyptic number.

It is an amenable number.

12147164 is a deficient number, since it is larger than the sum of its proper divisors (9796324).

12147164 is a wasteful number, since it uses less digits than its factorization.

12147164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97996 (or 97994 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 12147164 is about 3485.2781811500. The cubic root of 12147164 is about 229.8749414657.

The spelling of 12147164 in words is "twelve million, one hundred forty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 31 62 124 97961 195922 391844 3036791 6073582 12147164