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70863772 = 2272639623
BaseRepresentation
bin1000011100101…
…00101110011100
311221100020211011
410032110232130
5121120120042
611010505004
71520221630
oct416245634
9157306734
1070863772
1137001001
121b895164
13118b1a35
1495a8dc0
15634ba17
hex4394b9c

70863772 has 24 divisors (see below), whose sum is σ = 142281216. Its totient is φ = 30251568.

The previous prime is 70863763. The next prime is 70863781. The reversal of 70863772 is 27736807.

It is an interprime number because it is at equal distance from previous prime (70863763) and next prime (70863781).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2553 + ... + 12175.

It is an arithmetic number, because the mean of its divisors is an integer number (5928384).

Almost surely, 270863772 is an apocalyptic number.

It is an amenable number.

70863772 is an abundant number, since it is smaller than the sum of its proper divisors (71417444).

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

70863772 is a wasteful number, since it uses less digits than its factorization.

70863772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9897 (or 9895 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 70863772 is about 8418.0622473346. The cubic root of 70863772 is about 413.8167718987.

The spelling of 70863772 in words is "seventy million, eight hundred sixty-three thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 28 263 526 1052 1841 3682 7364 9623 19246 38492 67361 134722 269444 2530849 5061698 10123396 17715943 35431886 70863772