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70958706 = 237133769
BaseRepresentation
bin1000011101010…
…11111001110010
311221112002001020
410032223321302
5121131134311
611012520310
71521065460
oct416537162
9157462036
1070958706
1137066365
121b920096
1311916000
1495d1830
156369c06
hex43abe72

70958706 has 64 divisors (see below), whose sum is σ = 175929600. Its totient is φ = 18690048.

The previous prime is 70958647. The next prime is 70958707. The reversal of 70958706 is 60785907.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (70958707) 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, 91890 + ... + 92658.

It is an arithmetic number, because the mean of its divisors is an integer number (2748900).

Almost surely, 270958706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70958706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87964800).

70958706 is an abundant number, since it is smaller than the sum of its proper divisors (104970894).

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

70958706 is a wasteful number, since it uses less digits than its factorization.

70958706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 70958706 is about 8423.6990686990. The cubic root of 70958706 is about 414.0014819429.

The spelling of 70958706 in words is "seventy million, nine hundred fifty-eight thousand, seven hundred six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 169 182 273 338 507 546 769 1014 1183 1538 2197 2307 2366 3549 4394 4614 5383 6591 7098 9997 10766 13182 15379 16149 19994 29991 30758 32298 46137 59982 69979 92274 129961 139958 209937 259922 389883 419874 779766 909727 1689493 1819454 2729181 3378986 5068479 5458362 10136958 11826451 23652902 35479353 70958706