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253317072 = 24311346703
BaseRepresentation
bin11110001100101…
…00111111010000
3122122122211200210
433012110333100
51004322121242
641045244120
76164105511
oct1706247720
9578584623
10253317072
1111aa99958
1270a03640
1340634478
1425900a08
151738bd9c
hexf194fd0

253317072 has 40 divisors (see below), whose sum is σ = 660207744. Its totient is φ = 83689984.

The previous prime is 253317061. The next prime is 253317091. The reversal of 253317072 is 270713352.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 17928 + ... + 28775.

Almost surely, 2253317072 is an apocalyptic number.

It is an amenable number.

253317072 is an abundant number, since it is smaller than the sum of its proper divisors (406890672).

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

253317072 is a wasteful number, since it uses less digits than its factorization.

253317072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46827 (or 46821 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 253317072 is about 15915.9376726601. The cubic root of 253317072 is about 632.7344583253.

The spelling of 253317072 in words is "two hundred fifty-three million, three hundred seventeen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 113 226 339 452 678 904 1356 1808 2712 5424 46703 93406 140109 186812 280218 373624 560436 747248 1120872 2241744 5277439 10554878 15832317 21109756 31664634 42219512 63329268 84439024 126658536 253317072