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137442474 = 23313195787
BaseRepresentation
bin10000011000100…
…11010010101010
3100120121210122000
420030103102222
5240141124344
621345511430
73256145631
oct1014232252
9316553560
10137442474
1170645624
123a042576
1322623210
141437a518
15c0eda69
hex83134aa

137442474 has 32 divisors (see below), whose sum is σ = 328923840. Its totient is φ = 42289776.

The previous prime is 137442469. The next prime is 137442493. The reversal of 137442474 is 474244731.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97192 + ... + 98595.

It is an arithmetic number, because the mean of its divisors is an integer number (10278870).

Almost surely, 2137442474 is an apocalyptic number.

137442474 is an abundant number, since it is smaller than the sum of its proper divisors (191481366).

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

137442474 is a wasteful number, since it uses less digits than its factorization.

137442474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195811 (or 195805 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 137442474 is about 11723.5862260658. The cubic root of 137442474 is about 516.0680683594.

The spelling of 137442474 in words is "one hundred thirty-seven million, four hundred forty-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 195787 391574 587361 1174722 1762083 2545231 3524166 5090462 5286249 7635693 10572498 15271386 22907079 45814158 68721237 137442474