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253105364 = 2267953991
BaseRepresentation
bin11110001011000…
…01010011010100
3122122021002021202
433011201103110
51004243332424
641040532032
76162234341
oct1705412324
9578232252
10253105364
1111a964896
1270921018
134058bcb5
14258877c8
15173492ae
hexf1614d4

253105364 has 24 divisors (see below), whose sum is σ = 450471168. Its totient is φ = 124407360.

The previous prime is 253105357. The next prime is 253105373. The reversal of 253105364 is 463501352.

It is a congruent number.

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, 254909 + ... + 255899.

It is an arithmetic number, because the mean of its divisors is an integer number (18769632).

Almost surely, 2253105364 is an apocalyptic number.

It is an amenable number.

253105364 is a deficient number, since it is larger than the sum of its proper divisors (197365804).

253105364 is a wasteful number, since it uses less digits than its factorization.

253105364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 253105364 is about 15909.2854647844. The cubic root of 253105364 is about 632.5581413743.

The spelling of 253105364 in words is "two hundred fifty-three million, one hundred five thousand, three hundred sixty-four".

Divisors: 1 2 4 67 134 268 953 991 1906 1982 3812 3964 63851 66397 127702 132794 255404 265588 944423 1888846 3777692 63276341 126552682 253105364