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28593384 = 2336119531
BaseRepresentation
bin110110100010…
…0110011101000
31222210200202020
41231010303220
524304442014
62500504440
7465016431
oct155046350
958720666
1028593384
111515a6a6
1296ab120
135c01981
143b24488
15279c1a9
hex1b44ce8

28593384 has 32 divisors (see below), whose sum is σ = 72659040. Its totient is φ = 9374400.

The previous prime is 28593379. The next prime is 28593401. The reversal of 28593384 is 48339582.

It is a congruent number.

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, 8302 + ... + 11229.

It is an arithmetic number, because the mean of its divisors is an integer number (2270595).

Almost surely, 228593384 is an apocalyptic number.

28593384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28593384 is an abundant number, since it is smaller than the sum of its proper divisors (44065656).

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

28593384 is a wasteful number, since it uses less digits than its factorization.

28593384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19601 (or 19597 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 28593384 is about 5347.2781861429. The cubic root of 28593384 is about 305.7889954624.

The spelling of 28593384 in words is "twenty-eight million, five hundred ninety-three thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 366 488 732 1464 19531 39062 58593 78124 117186 156248 234372 468744 1191391 2382782 3574173 4765564 7148346 9531128 14296692 28593384