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12828042 = 232712669
BaseRepresentation
bin110000111011…
…110110001010
3220010201202200
4300323312022
511240444132
61134541030
7214015353
oct60736612
926121680
1012828042
117271997
124367776
132871b76
1419bcd2a
1511d5d7c
hexc3bd8a

12828042 has 12 divisors (see below), whose sum is σ = 27794130. Its totient is φ = 4276008.

The previous prime is 12828037. The next prime is 12828073. The reversal of 12828042 is 24082821.

It can be written as a sum of positive squares in only one way, i.e., 8071281 + 4756761 = 2841^2 + 2181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12827997 and 12828015.

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 5 ways as a sum of consecutive naturals, for example, 356317 + ... + 356352.

Almost surely, 212828042 is an apocalyptic number.

12828042 is an abundant number, since it is smaller than the sum of its proper divisors (14966088).

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

12828042 is a wasteful number, since it uses less digits than its factorization.

12828042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712677 (or 712674 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 12828042 is about 3581.6256085750. The cubic root of 12828042 is about 234.0921180159.

The spelling of 12828042 in words is "twelve million, eight hundred twenty-eight thousand, forty-two".

Divisors: 1 2 3 6 9 18 712669 1425338 2138007 4276014 6414021 12828042