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28053184 = 264110691
BaseRepresentation
bin110101100000…
…0111011000000
31221210020201211
41223000323000
524140200214
62441135504
7460306465
oct153007300
957706654
1028053184
1114920855
12948a594
135a72b23
143a2366c
1526e20c4
hex1ac0ec0

28053184 has 28 divisors (see below), whose sum is σ = 57031128. Its totient is φ = 13683200.

The previous prime is 28053173. The next prime is 28053191. The reversal of 28053184 is 48135082.

It is a super-2 number, since 2×280531842 = 1573962265075712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722 + ... + 7969.

It is an arithmetic number, because the mean of its divisors is an integer number (2036826).

Almost surely, 228053184 is an apocalyptic number.

It is an amenable number.

28053184 is an abundant number, since it is smaller than the sum of its proper divisors (28977944).

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

28053184 is a wasteful number, since it uses less digits than its factorization.

28053184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10744 (or 10734 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28053184 is about 5296.5256536715. The cubic root of 28053184 is about 303.8510350499.

The spelling of 28053184 in words is "twenty-eight million, fifty-three thousand, one hundred eighty-four".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 656 1312 2624 10691 21382 42764 85528 171056 342112 438331 684224 876662 1753324 3506648 7013296 14026592 28053184