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130606164 = 223213279073
BaseRepresentation
bin1111100100011…
…10010001010100
3100002202110222100
413302032101110
5231413344124
620543202100
73144063663
oct762162124
9302673870
10130606164
11677a6387
12378a6330
132109b670
14134badda
15b6ed1c9
hex7c8e454

130606164 has 36 divisors (see below), whose sum is σ = 355540276. Its totient is φ = 40186368.

The previous prime is 130606159. The next prime is 130606181. The reversal of 130606164 is 461606031.

It can be written as a sum of positive squares in 2 ways, for example, as 86490000 + 44116164 = 9300^2 + 6642^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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, 139069 + ... + 140004.

Almost surely, 2130606164 is an apocalyptic number.

It is an amenable number.

130606164 is an abundant number, since it is smaller than the sum of its proper divisors (224934112).

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

130606164 is a wasteful number, since it uses less digits than its factorization.

130606164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279096 (or 279091 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 130606164 is about 11428.3053861892. The cubic root of 130606164 is about 507.3658412477.

The spelling of 130606164 in words is "one hundred thirty million, six hundred six thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 279073 558146 837219 1116292 1674438 2511657 3348876 3627949 5023314 7255898 10046628 10883847 14511796 21767694 32651541 43535388 65303082 130606164