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133208052 = 22356319717
BaseRepresentation
bin1111111000010…
…01011111110100
3100021122200002120
413330021133310
5233100124202
621115035540
73205151445
oct774113764
9307580076
10133208052
11692131aa
123873bbb0
132179ca43
14139972cc
15ba640bc
hex7f097f4

133208052 has 24 divisors (see below), whose sum is σ = 311386656. Its totient is φ = 44321568.

The previous prime is 133207969. The next prime is 133208059. The reversal of 133208052 is 250802331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133208059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3103 + ... + 16614.

It is an arithmetic number, because the mean of its divisors is an integer number (12974444).

Almost surely, 2133208052 is an apocalyptic number.

133208052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133208052 is an abundant number, since it is smaller than the sum of its proper divisors (178178604).

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

133208052 is a wasteful number, since it uses less digits than its factorization.

133208052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20287 (or 20285 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 133208052 is about 11541.5792680205. The cubic root of 133208052 is about 510.7128976757.

The spelling of 133208052 in words is "one hundred thirty-three million, two hundred eight thousand, fifty-two".

Divisors: 1 2 3 4 6 12 563 1126 1689 2252 3378 6756 19717 39434 59151 78868 118302 236604 11100671 22201342 33302013 44402684 66604026 133208052