Search a number
-
+
12682432 = 26728309
BaseRepresentation
bin110000011000…
…010011000000
3212212100000201
4300120103000
511221314212
61131454544
7212541010
oct60302300
925770021
1012682432
117182554
1242b7454
1328207c9
141981c40
1511a7b57
hexc184c0

12682432 has 28 divisors (see below), whose sum is σ = 28762960. Its totient is φ = 5435136.

The previous prime is 12682429. The next prime is 12682451. The reversal of 12682432 is 23428621.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12682432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13707 + ... + 14602.

Almost surely, 212682432 is an apocalyptic number.

It is an amenable number.

12682432 is an abundant number, since it is smaller than the sum of its proper divisors (16080528).

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

12682432 is an equidigital number, since it uses as much as digits as its factorization.

12682432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28328 (or 28318 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 12682432 is about 3561.2402334018. The cubic root of 12682432 is about 233.2030256544.

The spelling of 12682432 in words is "twelve million, six hundred eighty-two thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 28309 56618 113236 198163 226472 396326 452944 792652 905888 1585304 1811776 3170608 6341216 12682432