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70690368 = 2637149353
BaseRepresentation
bin1000011011010…
…10011001000000
311221000102221210
410031222121000
5121044042433
611003050120
71515600240
oct415523100
9157012853
1070690368
11369a27a1
121b810940
1311850b28
149561b20
156315463
hex436a640

70690368 has 112 divisors (see below), whose sum is σ = 215798400. Its totient is φ = 20004864.

The previous prime is 70690363. The next prime is 70690379. The reversal of 70690368 is 86309607.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (70690363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200080 + ... + 200432.

Almost surely, 270690368 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 70690368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107899200).

70690368 is an abundant number, since it is smaller than the sum of its proper divisors (145108032).

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

70690368 is a wasteful number, since it uses less digits than its factorization.

70690368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 70690368 is about 8407.7564189265. The cubic root of 70690368 is about 413.4789589773.

The spelling of 70690368 in words is "seventy million, six hundred ninety thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 149 168 192 224 298 336 353 447 448 596 672 706 894 1043 1059 1192 1344 1412 1788 2086 2118 2384 2471 2824 3129 3576 4172 4236 4768 4942 5648 6258 7152 7413 8344 8472 9536 9884 11296 12516 14304 14826 16688 16944 19768 22592 25032 28608 29652 33376 33888 39536 50064 52597 59304 66752 67776 79072 100128 105194 118608 157791 158144 200256 210388 237216 315582 368179 420776 474432 631164 736358 841552 1104537 1262328 1472716 1683104 2209074 2524656 2945432 3366208 4418148 5049312 5890864 8836296 10098624 11781728 17672592 23563456 35345184 70690368