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28442682 = 2322935393
BaseRepresentation
bin110110010000…
…0000000111010
31222112001000200
41230200000322
524240131212
62453343030
7463521162
oct154400072
958461020
1028442682
1115067454
129637a76
135b7b1b8
143ac55a2
15276c6dc
hex1b2003a

28442682 has 24 divisors (see below), whose sum is σ = 61847604. Its totient is φ = 9446784.

The previous prime is 28442681. The next prime is 28442719. The reversal of 28442682 is 28624482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 8003241 = 4521^2 + 2829^2 .

It is not an unprimeable number, because it can be changed into a prime (28442681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578 + ... + 7970.

Almost surely, 228442682 is an apocalyptic number.

28442682 is an abundant number, since it is smaller than the sum of its proper divisors (33404922).

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

28442682 is a wasteful number, since it uses less digits than its factorization.

28442682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694 (or 5691 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 28442682 is about 5333.1681016071. The cubic root of 28442682 is about 305.2508265447.

The spelling of 28442682 in words is "twenty-eight million, four hundred forty-two thousand, six hundred eighty-two".

Divisors: 1 2 3 6 9 18 293 586 879 1758 2637 5274 5393 10786 16179 32358 48537 97074 1580149 3160298 4740447 9480894 14221341 28442682