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28863346 = 2711811123
BaseRepresentation
bin110111000011…
…0101101110010
32000022102001211
41232012231302
524342111341
62510350334
7500222461
oct156065562
960272054
1028863346
1115324506
1297bb3aa
135c97805
143b949d8
152802181
hex1b86b72

28863346 has 16 divisors (see below), whose sum is σ = 44186688. Its totient is φ = 14137200.

The previous prime is 28863287. The next prime is 28863371. The reversal of 28863346 is 64336882.

It is a junction number, because it is equal to n+sod(n) for n = 28863299 and 28863308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25141 + ... + 26263.

It is an arithmetic number, because the mean of its divisors is an integer number (2761668).

Almost surely, 228863346 is an apocalyptic number.

28863346 is a deficient number, since it is larger than the sum of its proper divisors (15323342).

28863346 is a wasteful number, since it uses less digits than its factorization.

28863346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its digits is 165888, while the sum is 40.

The square root of 28863346 is about 5372.4618193152. The cubic root of 28863346 is about 306.7483428216.

The spelling of 28863346 in words is "twenty-eight million, eight hundred sixty-three thousand, three hundred forty-six".

Divisors: 1 2 71 142 181 362 1123 2246 12851 25702 79733 159466 203263 406526 14431673 28863346