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12089079 = 3211311887
BaseRepresentation
bin101110000111…
…011011110111
3211202012002200
4232013123313
511043322304
61111035543
7204520062
oct56073367
924665080
1012089079
116907782
12406bbb3
132673702
1418698d9
1510dbe39
hexb876f7

12089079 has 12 divisors (see below), whose sum is σ = 17618016. Its totient is φ = 7987392.

The previous prime is 12089069. The next prime is 12089083. The reversal of 12089079 is 97098021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-12089079 is a prime.

It is a super-2 number, since 2×120890792 = 292291662136482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12089059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4927 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (1468168).

Almost surely, 212089079 is an apocalyptic number.

12089079 is a deficient number, since it is larger than the sum of its proper divisors (5528937).

12089079 is a wasteful number, since it uses less digits than its factorization.

12089079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12006 (or 12003 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 12089079 is about 3476.9352884401. The cubic root of 12089079 is about 229.5079525061.

The spelling of 12089079 in words is "twelve million, eighty-nine thousand, seventy-nine".

Divisors: 1 3 9 113 339 1017 11887 35661 106983 1343231 4029693 12089079