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28828314 = 2321601573
BaseRepresentation
bin110110111111…
…0001010011010
32000020122000100
41231332022122
524340001224
62505520230
7500015364
oct155761232
960218010
1028828314
1115300159
1297a3076
135c84898
143b85d34
1527e6ac9
hex1b7e29a

28828314 has 12 divisors (see below), whose sum is σ = 62461386. Its totient is φ = 9609432.

The previous prime is 28828313. The next prime is 28828321. The reversal of 28828314 is 41382882.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26347689 + 2480625 = 5133^2 + 1575^2 .

It is not an unprimeable number, because it can be changed into a prime (28828313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 800769 + ... + 800804.

Almost surely, 228828314 is an apocalyptic number.

28828314 is an abundant number, since it is smaller than the sum of its proper divisors (33633072).

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

28828314 is a wasteful number, since it uses less digits than its factorization.

28828314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601581 (or 1601578 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 28828314 is about 5369.2004991432. The cubic root of 28828314 is about 306.6241904517.

The spelling of 28828314 in words is "twenty-eight million, eight hundred twenty-eight thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 1601573 3203146 4804719 9609438 14414157 28828314