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70929984 = 2631731701
BaseRepresentation
bin1000011101001…
…00111001000000
311221110121122110
410032210321000
5121124224414
611012135320
71520615646
oct416447100
9157417573
1070929984
1137046824
121b907540
1311905c08
1495c5196
156361459
hex43a4e40

70929984 has 112 divisors (see below), whose sum is σ = 205410816. Its totient is φ = 21504000.

The previous prime is 70929961. The next prime is 70929997. The reversal of 70929984 is 48992907.

It is a happy number.

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

It is a congruent number.

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, 100834 + ... + 101534.

Almost surely, 270929984 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 70929984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102705408).

70929984 is an abundant number, since it is smaller than the sum of its proper divisors (134480832).

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

70929984 is a wasteful number, since it uses less digits than its factorization.

70929984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 70929984 is about 8421.9940631658. The cubic root of 70929984 is about 413.9456158580.

The spelling of 70929984 in words is "seventy million, nine hundred twenty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 31 32 34 48 51 62 64 68 93 96 102 124 136 186 192 204 248 272 372 408 496 527 544 701 744 816 992 1054 1088 1402 1488 1581 1632 1984 2103 2108 2804 2976 3162 3264 4206 4216 5608 5952 6324 8412 8432 11216 11917 12648 16824 16864 21731 22432 23834 25296 33648 33728 35751 43462 44864 47668 50592 65193 67296 71502 86924 95336 101184 130386 134592 143004 173848 190672 260772 286008 347696 369427 381344 521544 572016 695392 738854 762688 1043088 1108281 1144032 1390784 1477708 2086176 2216562 2288064 2955416 4172352 4433124 5910832 8866248 11821664 17732496 23643328 35464992 70929984