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137628492 = 22353216397
BaseRepresentation
bin10000011010000…
…00101101001100
3100120222020210120
420031000231030
5240213102432
621353504540
73260552151
oct1015005514
9316866716
10137628492
1170762361
123a112150
1322689aa1
14143c8228
15c138c2c
hex8340b4c

137628492 has 24 divisors (see below), whose sum is σ = 327193776. Its totient is φ = 45010368.

The previous prime is 137628467. The next prime is 137628529. The reversal of 137628492 is 294826731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107563 + ... + 108834.

It is an arithmetic number, because the mean of its divisors is an integer number (13633074).

Almost surely, 2137628492 is an apocalyptic number.

137628492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137628492 is an abundant number, since it is smaller than the sum of its proper divisors (189565284).

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

137628492 is a wasteful number, since it uses less digits than its factorization.

137628492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216457 (or 216455 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 137628492 is about 11731.5170374509. The cubic root of 137628492 is about 516.3007831116.

The spelling of 137628492 in words is "one hundred thirty-seven million, six hundred twenty-eight thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 216397 432794 649191 865588 1298382 2596764 11469041 22938082 34407123 45876164 68814246 137628492