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70860825 = 345274999
BaseRepresentation
bin1000011100101…
…00000000011001
311221100002210000
410032110000121
5121120021300
611010443213
71520210220
oct416240031
9157302700
1070860825
1136aa9872
121b893509
13118b05a9
1495a7cb7
15634ac00
hex4394019

70860825 has 60 divisors (see below), whose sum is σ = 150040000. Its totient is φ = 32387040.

The previous prime is 70860817. The next prime is 70860863. The reversal of 70860825 is 52806807.

It is not a de Polignac number, because 70860825 - 23 = 70860817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70860825.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11676 + ... + 16674.

Almost surely, 270860825 is an apocalyptic number.

70860825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70860825 is an abundant number, since it is smaller than the sum of its proper divisors (79179175).

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

70860825 is a wasteful number, since it uses less digits than its factorization.

70860825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028 (or 5014 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 70860825 is about 8417.8872052315. The cubic root of 70860825 is about 413.8110353759.

The spelling of 70860825 in words is "seventy million, eight hundred sixty thousand, eight hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 63 75 81 105 135 175 189 225 315 405 525 567 675 945 1575 2025 2835 4725 4999 14175 14997 24995 34993 44991 74985 104979 124975 134973 174965 224955 314937 374925 404919 524895 674865 874825 944811 1124775 1574685 2024595 2624475 2834433 3374325 4724055 7873425 10122975 14172165 23620275 70860825