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70683672 = 23329412477
BaseRepresentation
bin1000011011010…
…00110000011000
311221000002202210
410031220300120
5121043334142
611002555120
71515541563
oct415506030
9157002683
1070683672
1136998764
121b808aa0
131184aa77
14955d4da
15631349c
hex4368c18

70683672 has 64 divisors (see below), whose sum is σ = 187336800. Its totient is φ = 22184960.

The previous prime is 70683649. The next prime is 70683673. The reversal of 70683672 is 27638607.

It is a self number, because there is not a number n which added to its sum of digits gives 70683672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70683673) 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, 27298 + ... + 29774.

Almost surely, 270683672 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 70683672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93668400).

70683672 is an abundant number, since it is smaller than the sum of its proper divisors (116653128).

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

70683672 is a wasteful number, since it uses less digits than its factorization.

70683672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 70683672 is about 8407.3582057624. The cubic root of 70683672 is about 413.4659032499.

The spelling of 70683672 in words is "seventy million, six hundred eighty-three thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 29 41 58 82 87 116 123 164 174 232 246 328 348 492 696 984 1189 2378 2477 3567 4756 4954 7134 7431 9512 9908 14268 14862 19816 28536 29724 59448 71833 101557 143666 203114 215499 287332 304671 406228 430998 574664 609342 812456 861996 1218684 1723992 2437368 2945153 5890306 8835459 11780612 17670918 23561224 35341836 70683672