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137589285 = 3529393121
BaseRepresentation
bin10000011001101…
…11001000100101
3100120220021000110
420030313020211
5240210324120
621353003233
73260326641
oct1014671045
9316807013
10137589285
1170735959
123a0b3519
1322674ca2
14143b7c21
15c12c2e0
hex8337225

137589285 has 16 divisors (see below), whose sum is σ = 220288320. Its totient is φ = 73332480.

The previous prime is 137589281. The next prime is 137589299. The reversal of 137589285 is 582985731.

It is not a de Polignac number, because 137589285 - 22 = 137589281 is a prime.

It is a super-2 number, since 2×1375892852 = 37861622693622450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137589281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42525 + ... + 45645.

It is an arithmetic number, because the mean of its divisors is an integer number (13768020).

Almost surely, 2137589285 is an apocalyptic number.

137589285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137589285 is a deficient number, since it is larger than the sum of its proper divisors (82699035).

137589285 is a wasteful number, since it uses less digits than its factorization.

137589285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068.

The product of its digits is 604800, while the sum is 48.

The square root of 137589285 is about 11729.8459069163. The cubic root of 137589285 is about 516.2517512892.

The spelling of 137589285 in words is "one hundred thirty-seven million, five hundred eighty-nine thousand, two hundred eighty-five".

Divisors: 1 3 5 15 2939 3121 8817 9363 14695 15605 44085 46815 9172619 27517857 45863095 137589285