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137962968 = 233111361659
BaseRepresentation
bin10000011100100…
…10010111011000
3100121121020121120
420032102113120
5240304303333
621405005240
73263444253
oct1016222730
9317536546
10137962968
1170970690
123a253820
13227760c0
141447409a
15c1a2db3
hex83925d8

137962968 has 128 divisors (see below), whose sum is σ = 412473600. Its totient is φ = 37900800.

The previous prime is 137962807. The next prime is 137962969. The reversal of 137962968 is 869269731.

It is a self number, because there is not a number n which added to its sum of digits gives 137962968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137962969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209023 + ... + 209681.

It is an arithmetic number, because the mean of its divisors is an integer number (3222450).

Almost surely, 2137962968 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 137962968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206236800).

137962968 is an abundant number, since it is smaller than the sum of its proper divisors (274510632).

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

137962968 is a wasteful number, since it uses less digits than its factorization.

137962968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 749 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 137962968 is about 11745.7638321226. The cubic root of 137962968 is about 516.7186968529.

The spelling of 137962968 in words is "one hundred thirty-seven million, nine hundred sixty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 61 66 78 88 104 122 132 143 156 183 244 264 286 312 366 429 488 572 659 671 732 793 858 1144 1318 1342 1464 1586 1716 1977 2013 2379 2636 2684 3172 3432 3954 4026 4758 5272 5368 6344 7249 7908 8052 8567 8723 9516 14498 15816 16104 17134 17446 19032 21747 25701 26169 28996 34268 34892 40199 43494 51402 52338 57992 68536 69784 80398 86988 94237 102804 104676 120597 160796 173976 188474 205608 209352 241194 282711 321592 376948 442189 482388 522587 565422 753896 884378 964776 1045174 1130844 1326567 1567761 1768756 2090348 2261688 2653134 3135522 3537512 4180696 5306268 5748457 6271044 10612536 11496914 12542088 17245371 22993828 34490742 45987656 68981484 137962968