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137795904 = 2634191399
BaseRepresentation
bin10000011011010…
…01100101000000
3100121021202110000
420031221211000
5240233432104
621401240000
73262150221
oct1015514500
9317252400
10137795904
1170867114
123a193000
132271804c
141442d248
15c16d639
hex8369940

137795904 has 140 divisors (see below), whose sum is σ = 430276000. Its totient is φ = 43483392.

The previous prime is 137795893. The next prime is 137795981. The reversal of 137795904 is 409597731.

It is a super-2 number, since 2×1377959042 = 37975422318354432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137795904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97797 + ... + 99195.

It is an arithmetic number, because the mean of its divisors is an integer number (3073400).

Almost surely, 2137795904 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 137795904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215138000).

137795904 is an abundant number, since it is smaller than the sum of its proper divisors (292480096).

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

137795904 is a wasteful number, since it uses less digits than its factorization.

137795904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 137795904 is about 11738.6500075605. The cubic root of 137795904 is about 516.5100419225.

It can be divided in two parts, 13779 and 5904, that added together give a 9-th power (19683 = 39).

The spelling of 137795904 in words is "one hundred thirty-seven million, seven hundred ninety-five thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 108 114 144 152 162 171 192 216 228 288 304 324 342 432 456 513 576 608 648 684 864 912 1026 1216 1296 1368 1399 1539 1728 1824 2052 2592 2736 2798 3078 3648 4104 4197 5184 5472 5596 6156 8208 8394 10944 11192 12312 12591 16416 16788 22384 24624 25182 26581 32832 33576 37773 44768 49248 50364 53162 67152 75546 79743 89536 98496 100728 106324 113319 134304 151092 159486 201456 212648 226638 239229 268608 302184 318972 402912 425296 453276 478458 604368 637944 717687 805824 850592 906552 956916 1208736 1275888 1435374 1701184 1813104 1913832 2153061 2417472 2551776 2870748 3626208 3827664 4306122 5103552 5741496 7252416 7655328 8612244 11482992 15310656 17224488 22965984 34448976 45931968 68897952 137795904