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12190392 = 233356437
BaseRepresentation
bin101110100000…
…001010111000
3211221100002000
4232200022320
511110043032
61113141000
7205421334
oct56401270
924840060
1012190392
116976905
1240ba760
1326aa866
1418947c4
15110be7c
hexba02b8

12190392 has 32 divisors (see below), whose sum is σ = 33862800. Its totient is φ = 4063392.

The previous prime is 12190379. The next prime is 12190417. The reversal of 12190392 is 29309121.

It is a super-2 number, since 2×121903922 = 297211314227328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28003 + ... + 28434.

Almost surely, 212190392 is an apocalyptic number.

12190392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12190392 is an abundant number, since it is smaller than the sum of its proper divisors (21672408).

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

12190392 is a wasteful number, since it uses less digits than its factorization.

12190392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56452 (or 56442 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12190392 is about 3491.4741872166. The cubic root of 12190392 is about 230.1473032452.

The spelling of 12190392 in words is "twelve million, one hundred ninety thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 56437 112874 169311 225748 338622 451496 507933 677244 1015866 1354488 1523799 2031732 3047598 4063464 6095196 12190392