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28833426 = 2321601857
BaseRepresentation
bin110110111111…
…1011010010010
32000020220000200
41231333122102
524340132201
62510000030
7500036316
oct155773222
960226020
1028833426
1115303a86
1297a6016
135c86ccb
143b87b46
1527e8386
hex1b7f692

28833426 has 12 divisors (see below), whose sum is σ = 62472462. Its totient is φ = 9611136.

The previous prime is 28833403. The next prime is 28833451. The reversal of 28833426 is 62433882.

It can be written as a sum of positive squares in only one way, i.e., 22099401 + 6734025 = 4701^2 + 2595^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 800911 + ... + 800946.

Almost surely, 228833426 is an apocalyptic number.

28833426 is an abundant number, since it is smaller than the sum of its proper divisors (33639036).

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

28833426 is a wasteful number, since it uses less digits than its factorization.

28833426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601865 (or 1601862 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28833426 is about 5369.6765265703. The cubic root of 28833426 is about 306.6423134935.

The spelling of 28833426 in words is "twenty-eight million, eight hundred thirty-three thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 1601857 3203714 4805571 9611142 14416713 28833426