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137020452 = 22311418371
BaseRepresentation
bin10000010101011…
…00010000100100
3100112211100201120
420022230100210
5240034123302
621332453540
73252440352
oct1012542044
9315740646
10137020452
1170387548
1239a7a2b0
13225060ba
14142aa7d2
15c0689bc
hex82ac424

137020452 has 12 divisors (see below), whose sum is σ = 319714416. Its totient is φ = 45673480.

The previous prime is 137020451. The next prime is 137020469. The reversal of 137020452 is 254020731.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (137020451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5709174 + ... + 5709197.

It is an arithmetic number, because the mean of its divisors is an integer number (26642868).

Almost surely, 2137020452 is an apocalyptic number.

137020452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137020452 is an abundant number, since it is smaller than the sum of its proper divisors (182693964).

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

137020452 is a wasteful number, since it uses less digits than its factorization.

137020452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418378 (or 11418376 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 137020452 is about 11705.5735442566. The cubic root of 137020452 is about 515.5393250343.

The spelling of 137020452 in words is "one hundred thirty-seven million, twenty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 11418371 22836742 34255113 45673484 68510226 137020452