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137913888 = 2537238923
BaseRepresentation
bin10000011100001…
…10011000100000
3100121111202021210
420032012120200
5240301221023
621403550120
73263151210
oct1016063040
9317452253
10137913888
1170937822
123a22b340
1322759968
1414460240
15c193593
hex8386620

137913888 has 96 divisors (see below), whose sum is σ = 431778816. Its totient is φ = 37686528.

The previous prime is 137913871. The next prime is 137913983. The reversal of 137913888 is 888319731.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 10995 + ... + 19917.

It is an arithmetic number, because the mean of its divisors is an integer number (4497696).

Almost surely, 2137913888 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 137913888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215889408).

137913888 is an abundant number, since it is smaller than the sum of its proper divisors (293864928).

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

137913888 is a wasteful number, since it uses less digits than its factorization.

137913888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966 (or 8958 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 137913888 is about 11743.6743824069. The cubic root of 137913888 is about 516.6574157668.

The spelling of 137913888 in words is "one hundred thirty-seven million, nine hundred thirteen thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 69 84 92 96 112 138 161 168 184 224 276 322 336 368 483 552 644 672 736 966 1104 1288 1932 2208 2576 3864 5152 7728 8923 15456 17846 26769 35692 53538 62461 71384 107076 124922 142768 187383 205229 214152 249844 285536 374766 410458 428304 499688 615687 749532 820916 856608 999376 1231374 1436603 1499064 1641832 1998752 2462748 2873206 2998128 3283664 4309809 4925496 5746412 5996256 6567328 8619618 9850992 11492824 17239236 19701984 22985648 34478472 45971296 68956944 137913888