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12190472 = 237217687
BaseRepresentation
bin101110100000…
…001100001000
3211221100011222
4232200030020
511110043342
61113141212
7205421510
oct56401410
924840158
1012190472
116976978
1240ba808
1326aa8c8
141894840
15110bed2
hexba0308

12190472 has 16 divisors (see below), whose sum is σ = 26122560. Its totient is φ = 5224464.

The previous prime is 12190463. The next prime is 12190481. The reversal of 12190472 is 27409121.

It is an interprime number because it is at equal distance from previous prime (12190463) and next prime (12190481).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108788 + ... + 108899.

It is an arithmetic number, because the mean of its divisors is an integer number (1632660).

Almost surely, 212190472 is an apocalyptic number.

It is an amenable number.

12190472 is an abundant number, since it is smaller than the sum of its proper divisors (13932088).

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

12190472 is a wasteful number, since it uses less digits than its factorization.

12190472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217700 (or 217696 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12190472 is about 3491.4856436766. The cubic root of 12190472 is about 230.1478066948.

Adding to 12190472 its reverse (27409121), we get a palindrome (39599593).

The spelling of 12190472 in words is "twelve million, one hundred ninety thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 217687 435374 870748 1523809 1741496 3047618 6095236 12190472