Search a number
-
+
137000656 = 24133121247
BaseRepresentation
bin10000010101001…
…11011011010000
3100112210100120101
420022213123100
5240033010111
621332222144
73252325552
oct1012473320
9315710511
10137000656
1170373691
1239a6a954
13224ca0a0
14142a34d2
15c062bc1
hex82a76d0

137000656 has 40 divisors (see below), whose sum is σ = 295092224. Its totient is φ = 61188480.

The previous prime is 137000653. The next prime is 137000657. The reversal of 137000656 is 656000731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137000651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4176 + ... + 17071.

Almost surely, 2137000656 is an apocalyptic number.

137000656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

137000656 is an abundant number, since it is smaller than the sum of its proper divisors (158091568).

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

137000656 is a wasteful number, since it uses less digits than its factorization.

137000656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299 (or 21293 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 137000656 is about 11704.7279336173. The cubic root of 137000656 is about 515.5144963613.

The spelling of 137000656 in words is "one hundred thirty-seven million, six hundred fifty-six", and thus it is an aban number.

Divisors: 1 2 4 8 13 16 26 31 52 62 104 124 208 248 403 496 806 1612 3224 6448 21247 42494 84988 169976 276211 339952 552422 658657 1104844 1317314 2209688 2634628 4419376 5269256 8562541 10538512 17125082 34250164 68500328 137000656