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253295944 = 231110926407
BaseRepresentation
bin11110001100011…
…11110101001000
3122122121202201021
433012033311020
51004320432234
641045002224
76163660066
oct1706176510
9578552637
10253295944
1111aa84aa0
12709b3374
1340627975
14258d7036
15173859b4
hexf18fd48

253295944 has 32 divisors (see below), whose sum is σ = 522878400. Its totient is φ = 114073920.

The previous prime is 253295927. The next prime is 253295953. The reversal of 253295944 is 449592352.

It is a super-2 number, since 2×2532959442 = 128317670493702272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253295944.

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, 3612 + ... + 22795.

It is an arithmetic number, because the mean of its divisors is an integer number (16339950).

Almost surely, 2253295944 is an apocalyptic number.

It is an amenable number.

253295944 is an abundant number, since it is smaller than the sum of its proper divisors (269582456).

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

253295944 is a wasteful number, since it uses less digits than its factorization.

253295944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26533 (or 26529 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The square root of 253295944 is about 15915.2739216138. The cubic root of 253295944 is about 632.7168666891.

The spelling of 253295944 in words is "two hundred fifty-three million, two hundred ninety-five thousand, nine hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 109 218 436 872 1199 2398 4796 9592 26407 52814 105628 211256 290477 580954 1161908 2323816 2878363 5756726 11513452 23026904 31661993 63323986 126647972 253295944