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8701972 = 222975017
BaseRepresentation
bin100001001100…
…100000010100
3121101002212021
4201030200110
54211430342
6510302524
7133652116
oct41144024
917332767
108701972
114a03a14
122ab7a44
131a58ac6
1412273b6
15b6d567
hex84c814

8701972 has 12 divisors (see below), whose sum is σ = 15753780. Its totient is φ = 4200896.

The previous prime is 8701961. The next prime is 8701991. The reversal of 8701972 is 2791078.

It can be written as a sum of positive squares in 2 ways, for example, as 3254416 + 5447556 = 1804^2 + 2334^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37393 + ... + 37624.

It is an arithmetic number, because the mean of its divisors is an integer number (1312815).

Almost surely, 28701972 is an apocalyptic number.

It is an amenable number.

8701972 is a deficient number, since it is larger than the sum of its proper divisors (7051808).

8701972 is a wasteful number, since it uses less digits than its factorization.

8701972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75050 (or 75048 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 8701972 is about 2949.9105071171. The cubic root of 8701972 is about 205.6865500342.

The spelling of 8701972 in words is "eight million, seven hundred one thousand, nine hundred seventy-two".

Divisors: 1 2 4 29 58 116 75017 150034 300068 2175493 4350986 8701972