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137431716 = 223234491109
BaseRepresentation
bin10000011000100…
…00101010100100
3100120121020212120
420030100222210
5240140303331
621345345540
73256102362
oct1014205244
9316536776
10137431716
1170638534
123a0382b0
132261b356
1414376632
15c0ea796
hex8310aa4

137431716 has 48 divisors (see below), whose sum is σ = 335664000. Its totient is φ = 43681792.

The previous prime is 137431699. The next prime is 137431729. The reversal of 137431716 is 617134731.

137431716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123370 + ... + 124478.

It is an arithmetic number, because the mean of its divisors is an integer number (6993000).

Almost surely, 2137431716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137431716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167832000).

137431716 is an abundant number, since it is smaller than the sum of its proper divisors (198232284).

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

137431716 is a wasteful number, since it uses less digits than its factorization.

137431716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 137431716 is about 11723.1273984377. The cubic root of 137431716 is about 516.0546033197.

The spelling of 137431716 in words is "one hundred thirty-seven million, four hundred thirty-one thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 449 898 1109 1347 1796 2218 2694 3327 4436 5388 6654 10327 13308 20654 25507 30981 41308 51014 61962 76521 102028 123924 153042 306084 497941 995882 1493823 1991764 2987646 5975292 11452643 22905286 34357929 45810572 68715858 137431716