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126164172 = 22331339151
BaseRepresentation
bin1111000010100…
…01110011001100
322210101210201010
413201101303030
5224244223142
620304045220
73061243401
oct741216314
9283353633
10126164172
1165242012
1236303810
13201a4874
1412a822a8
15b121e9c
hex7851ccc

126164172 has 24 divisors (see below), whose sum is σ = 303880192. Its totient is φ = 40698000.

The previous prime is 126164153. The next prime is 126164179. The reversal of 126164172 is 271461621.

It is not an unprimeable number, because it can be changed into a prime (126164179) 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, 169204 + ... + 169947.

Almost surely, 2126164172 is an apocalyptic number.

126164172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126164172 is an abundant number, since it is smaller than the sum of its proper divisors (177716020).

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

126164172 is a wasteful number, since it uses less digits than its factorization.

126164172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339189 (or 339187 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 126164172 is about 11232.2825819154. The cubic root of 126164172 is about 501.5474352809.

The spelling of 126164172 in words is "one hundred twenty-six million, one hundred sixty-four thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 339151 678302 1017453 1356604 2034906 4069812 10513681 21027362 31541043 42054724 63082086 126164172