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255684063 = 31731433761
BaseRepresentation
bin11110011110101…
…10110111011111
3122211010002121010
433033112313133
51010423342223
641212110303
76223164405
oct1717266737
9584102533
10255684063
11121366248
1271765393
1340c8295b
1425d59475
15176a8393
hexf3d6ddf

255684063 has 32 divisors (see below), whose sum is σ = 381376512. Its totient is φ = 151603200.

The previous prime is 255684061. The next prime is 255684067. The reversal of 255684063 is 360486552.

It is not a de Polignac number, because 255684063 - 21 = 255684061 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255684061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66103 + ... + 69863.

It is an arithmetic number, because the mean of its divisors is an integer number (11918016).

Almost surely, 2255684063 is an apocalyptic number.

255684063 is a deficient number, since it is larger than the sum of its proper divisors (125692449).

255684063 is a wasteful number, since it uses less digits than its factorization.

255684063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 255684063 is about 15990.1239207206. The cubic root of 255684063 is about 634.6991055890.

The spelling of 255684063 in words is "two hundred fifty-five million, six hundred eighty-four thousand, sixty-three".

Divisors: 1 3 17 31 43 51 93 129 527 731 1333 1581 2193 3761 3999 11283 22661 63937 67983 116591 161723 191811 349773 485169 1982047 2749291 5013413 5946141 8247873 15040239 85228021 255684063