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28677352 = 2311337967
BaseRepresentation
bin110110101100…
…1010011101000
31222221221221011
41231121103220
524320133402
62502353304
7465516304
oct155312350
958857834
1028677352
11152077a0
12972b834
135c30c62
143b46d04
1527b6ed7
hex1b594e8

28677352 has 32 divisors (see below), whose sum is σ = 58893120. Its totient is φ = 12983040.

The previous prime is 28677349. The next prime is 28677353. The reversal of 28677352 is 25377682.

It is not an unprimeable number, because it can be changed into a prime (28677353) by changing a digit.

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, 29173 + ... + 30139.

It is an arithmetic number, because the mean of its divisors is an integer number (1840410).

Almost surely, 228677352 is an apocalyptic number.

28677352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28677352 is an abundant number, since it is smaller than the sum of its proper divisors (30215768).

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

28677352 is a wasteful number, since it uses less digits than its factorization.

28677352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1317 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 28677352 is about 5355.1239014611. The cubic root of 28677352 is about 306.0880319719.

The spelling of 28677352 in words is "twenty-eight million, six hundred seventy-seven thousand, three hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 337 674 967 1348 1934 2696 3707 3868 7414 7736 10637 14828 21274 29656 42548 85096 325879 651758 1303516 2607032 3584669 7169338 14338676 28677352