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253885388 = 2264798101
BaseRepresentation
bin11110010000111…
…11101111001100
3122200201201021112
433020133233030
51004443313023
641105351152
76201663431
oct1710375714
9580651245
10253885388
11120347939
12710384b8
13407a3053
1425a0bb88
1517450478
hexf21fbcc

253885388 has 12 divisors (see below), whose sum is σ = 444990672. Its totient is φ = 126745200.

The previous prime is 253885369. The next prime is 253885397. The reversal of 253885388 is 883588352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46463 + ... + 51638.

It is an arithmetic number, because the mean of its divisors is an integer number (37082556).

Almost surely, 2253885388 is an apocalyptic number.

It is an amenable number.

253885388 is a deficient number, since it is larger than the sum of its proper divisors (191105284).

253885388 is a wasteful number, since it uses less digits than its factorization.

253885388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98752 (or 98750 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

The square root of 253885388 is about 15933.7813465605. The cubic root of 253885388 is about 633.2072841175.

The spelling of 253885388 in words is "two hundred fifty-three million, eight hundred eighty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 647 1294 2588 98101 196202 392404 63471347 126942694 253885388