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7976972 = 222968767
BaseRepresentation
bin11110011011100000001100
3120000021100102
4132123200030
54020230342
6442550232
7124542323
oct36334014
916007312
107976972
114559243
122808378
131863b03
1410b90ba
15a78832
hex79b80c

7976972 has 12 divisors (see below), whose sum is σ = 14441280. Its totient is φ = 3850896.

The previous prime is 7976971. The next prime is 7976987. The reversal of 7976972 is 2796797.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7976971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34268 + ... + 34499.

It is an arithmetic number, because the mean of its divisors is an integer number (1203440).

Almost surely, 27976972 is an apocalyptic number.

It is an amenable number.

7976972 is a deficient number, since it is larger than the sum of its proper divisors (6464308).

7976972 is a wasteful number, since it uses less digits than its factorization.

7976972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68800 (or 68798 counting only the distinct ones).

The product of its digits is 333396, while the sum is 47.

The square root of 7976972 is about 2824.3533773237. The cubic root of 7976972 is about 199.8079155769.

The spelling of 7976972 in words is "seven million, nine hundred seventy-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 29 58 116 68767 137534 275068 1994243 3988486 7976972