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12904270 = 251290427
BaseRepresentation
bin110001001110…
…011101001110
3220021121022221
4301032131032
511300414040
61140325554
7214453531
oct61163516
926247287
1012904270
117314195
1243a38ba
13289a782
1419dca18
1511ed74a
hexc4e74e

12904270 has 8 divisors (see below), whose sum is σ = 23227704. Its totient is φ = 5161704.

The previous prime is 12904253. The next prime is 12904271. The reversal of 12904270 is 7240921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645204 + ... + 645223.

It is an arithmetic number, because the mean of its divisors is an integer number (2903463).

Almost surely, 212904270 is an apocalyptic number.

12904270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12904270 is a deficient number, since it is larger than the sum of its proper divisors (10323434).

12904270 is a wasteful number, since it uses less digits than its factorization.

12904270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290434.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12904270 is about 3592.2513831858. The cubic root of 12904270 is about 234.5548840065.

The spelling of 12904270 in words is "twelve million, nine hundred four thousand, two hundred seventy".

Divisors: 1 2 5 10 1290427 2580854 6452135 12904270