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28575168 = 263148829
BaseRepresentation
bin110110100000…
…0010111000000
31222202202202120
41231000113000
524303401133
62500244240
7464612346
oct155002700
958682676
1028575168
1115147a46
1296a0680
135bc65ab
143b1b996
152796ab3
hex1b405c0

28575168 has 28 divisors (see below), whose sum is σ = 75605640. Its totient is φ = 9524992.

The previous prime is 28575167. The next prime is 28575191. The reversal of 28575168 is 86157582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74223 + ... + 74606.

Almost surely, 228575168 is an apocalyptic number.

It is an amenable number.

28575168 is an abundant number, since it is smaller than the sum of its proper divisors (47030472).

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

28575168 is a wasteful number, since it uses less digits than its factorization.

28575168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148844 (or 148834 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 28575168 is about 5345.5746183175. The cubic root of 28575168 is about 305.7240452903.

The spelling of 28575168 in words is "twenty-eight million, five hundred seventy-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 148829 297658 446487 595316 892974 1190632 1785948 2381264 3571896 4762528 7143792 9525056 14287584 28575168