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137962285 = 527592457
BaseRepresentation
bin10000011100100…
…10001100101101
3100121121012200021
420032102030231
5240304243120
621405002141
73263442256
oct1016221455
9317535607
10137962285
117097011a
123a253351
13227759b6
1414473b2d
15c1a2aaa
hex839232d

137962285 has 4 divisors (see below), whose sum is σ = 165554748. Its totient is φ = 110369824.

The previous prime is 137962271. The next prime is 137962291. The reversal of 137962285 is 582269731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582269731 = 678690593.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 121462441 = 4062^2 + 11021^2 .

It is a cyclic number.

It is not a de Polignac number, because 137962285 - 29 = 137961773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13796224 + ... + 13796233.

It is an arithmetic number, because the mean of its divisors is an integer number (41388687).

Almost surely, 2137962285 is an apocalyptic number.

It is an amenable number.

137962285 is a deficient number, since it is larger than the sum of its proper divisors (27592463).

137962285 is an equidigital number, since it uses as much as digits as its factorization.

137962285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27592462.

The product of its digits is 181440, while the sum is 43.

The square root of 137962285 is about 11745.7347577748. The cubic root of 137962285 is about 516.7178441617.

The spelling of 137962285 in words is "one hundred thirty-seven million, nine hundred sixty-two thousand, two hundred eighty-five".

Divisors: 1 5 27592457 137962285