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7989164 = 2213914369
BaseRepresentation
bin11110011110011110101100
3120000220001222
4132132132230
54021123124
6443122512
7124623011
oct36363654
916026058
107989164
114567417
122813438
131869521
1410bd708
15a7c25e
hex79e7ac

7989164 has 12 divisors (see below), whose sum is σ = 14082600. Its totient is φ = 3965568.

The previous prime is 7989143. The next prime is 7989169. The reversal of 7989164 is 4619897.

It is not an unprimeable number, because it can be changed into a prime (7989169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6629 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (1173550).

Almost surely, 27989164 is an apocalyptic number.

It is an amenable number.

7989164 is a deficient number, since it is larger than the sum of its proper divisors (6093436).

7989164 is a wasteful number, since it uses less digits than its factorization.

7989164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14512 (or 14510 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 7989164 is about 2826.5109233824. The cubic root of 7989164 is about 199.9096591988.

The spelling of 7989164 in words is "seven million, nine hundred eighty-nine thousand, one hundred sixty-four".

Divisors: 1 2 4 139 278 556 14369 28738 57476 1997291 3994582 7989164