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133625272 = 23112952361
BaseRepresentation
bin1111111011011…
…11010110111000
3100022102212102011
413331233112320
5233202002042
621132015304
73211540024
oct775572670
9308385364
10133625272
1169478710
1238901534
13218b7911
1413a65384
15bae7a17
hex7f6f5b8

133625272 has 32 divisors (see below), whose sum is σ = 282754800. Its totient is φ = 58643200.

The previous prime is 133625263. The next prime is 133625291. The reversal of 133625272 is 272526331.

133625272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23629 + ... + 28732.

Almost surely, 2133625272 is an apocalyptic number.

It is an amenable number.

133625272 is an abundant number, since it is smaller than the sum of its proper divisors (149129528).

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

133625272 is a wasteful number, since it uses less digits than its factorization.

133625272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52407 (or 52403 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 133625272 is about 11559.6397867754. The cubic root of 133625272 is about 511.2455420530.

The spelling of 133625272 in words is "one hundred thirty-three million, six hundred twenty-five thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 232 319 638 1276 2552 52361 104722 209444 418888 575971 1151942 1518469 2303884 3036938 4607768 6073876 12147752 16703159 33406318 66812636 133625272