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12494256 = 2431311987
BaseRepresentation
bin101111101010…
…010110110000
3212111202220020
4233222112300
511144304011
61123443440
7211125255
oct57522660
925452806
1012494256
117064135
124226580
132785c68
14193342c
15116c006
hexbea5b0

12494256 has 40 divisors (see below), whose sum is σ = 32539584. Its totient is φ = 4130880.

The previous prime is 12494231. The next prime is 12494281. The reversal of 12494256 is 65249421.

It is an interprime number because it is at equal distance from previous prime (12494231) and next prime (12494281).

It is a super-2 number, since 2×124942562 = 312212865987072, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5295 + ... + 7281.

Almost surely, 212494256 is an apocalyptic number.

12494256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12494256 is an abundant number, since it is smaller than the sum of its proper divisors (20045328).

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

12494256 is a wasteful number, since it uses less digits than its factorization.

12494256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2123 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 12494256 is about 3534.7214883213. The cubic root of 12494256 is about 232.0438878525.

The spelling of 12494256 in words is "twelve million, four hundred ninety-four thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 1987 2096 3144 3974 5961 6288 7948 11922 15896 23844 31792 47688 95376 260297 520594 780891 1041188 1561782 2082376 3123564 4164752 6247128 12494256