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253845992 = 23199317503
BaseRepresentation
bin11110010000101…
…10000111101000
3122200122201020102
433020112013220
51004441032432
641104444532
76201440531
oct1710260750
9580581212
10253845992
11120320284
1271019748
134078b13a
14259db688
1517443962
hexf2161e8

253845992 has 32 divisors (see below), whose sum is σ = 480816000. Its totient is φ = 125636544.

The previous prime is 253845973. The next prime is 253846001. The reversal of 253845992 is 299548352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504413 + ... + 504915.

It is an arithmetic number, because the mean of its divisors is an integer number (15025500).

Almost surely, 2253845992 is an apocalyptic number.

It is an amenable number.

253845992 is a deficient number, since it is larger than the sum of its proper divisors (226970008).

253845992 is a wasteful number, since it uses less digits than its factorization.

253845992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1021 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 253845992 is about 15932.5450572092. The cubic root of 253845992 is about 633.1745303295.

The spelling of 253845992 in words is "two hundred fifty-three million, eight hundred forty-five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 199 317 398 503 634 796 1006 1268 1592 2012 2536 4024 63083 100097 126166 159451 200194 252332 318902 400388 504664 637804 800776 1275608 31730749 63461498 126922996 253845992