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137654628 = 22311471219
BaseRepresentation
bin10000011010001…
…11000101100100
3100121000120122120
420031013011210
5240214422003
621354225540
73261021306
oct1015070544
9317016576
10137654628
117077aa61
123a1252b0
1322698957
14143d3976
15c141853
hex8347164

137654628 has 12 divisors (see below), whose sum is σ = 321194160. Its totient is φ = 45884872.

The previous prime is 137654579. The next prime is 137654633. The reversal of 137654628 is 826456731.

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

It is a self number, because there is not a number n which added to its sum of digits gives 137654628.

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 3 ways as a sum of consecutive naturals, for example, 5735598 + ... + 5735621.

It is an arithmetic number, because the mean of its divisors is an integer number (26766180).

Almost surely, 2137654628 is an apocalyptic number.

It is an amenable number.

137654628 is an abundant number, since it is smaller than the sum of its proper divisors (183539532).

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

137654628 is a wasteful number, since it uses less digits than its factorization.

137654628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471226 (or 11471224 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 137654628 is about 11732.6309070046. The cubic root of 137654628 is about 516.3334633194. Note that the first 3 decimals are identical.

The spelling of 137654628 in words is "one hundred thirty-seven million, six hundred fifty-four thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 11471219 22942438 34413657 45884876 68827314 137654628