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28125368 = 233515671
BaseRepresentation
bin110101101001…
…0100010111000
31221220220202022
41223102202320
524200002433
62442454012
7461030105
oct153224270
957826668
1028125368
1114970007
129504308
135a9993b
143a41aac
152708698
hex1ad28b8

28125368 has 8 divisors (see below), whose sum is σ = 52735080. Its totient is φ = 14062680.

The previous prime is 28125353. The next prime is 28125403. The reversal of 28125368 is 86352182.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1757828 + ... + 1757843.

It is an arithmetic number, because the mean of its divisors is an integer number (6591885).

Almost surely, 228125368 is an apocalyptic number.

It is an amenable number.

28125368 is a deficient number, since it is larger than the sum of its proper divisors (24609712).

28125368 is a wasteful number, since it uses less digits than its factorization.

28125368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515677 (or 3515673 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 28125368 is about 5303.3355541583. The cubic root of 28125368 is about 304.1114261435. Note that the first 3 decimals are identical.

The spelling of 28125368 in words is "twenty-eight million, one hundred twenty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 3515671 7031342 14062684 28125368