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255856055 = 57132831987
BaseRepresentation
bin11110100000000…
…00110110110111
3122211102211112012
433100000312313
51010444343210
641215514435
76224512010
oct1720006667
9584384465
10255856055
11121473494
1271828a1b
1341013020
1425da2007
15176de305
hexf400db7

255856055 has 32 divisors (see below), whose sum is σ = 379405824. Its totient is φ = 161294976.

The previous prime is 255856039. The next prime is 255856057. The reversal of 255856055 is 550658552.

255856055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 255856055 - 24 = 255856039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255856057) 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, 127772 + ... + 129758.

It is an arithmetic number, because the mean of its divisors is an integer number (11856432).

Almost surely, 2255856055 is an apocalyptic number.

255856055 is a deficient number, since it is larger than the sum of its proper divisors (123549769).

255856055 is a wasteful number, since it uses less digits than its factorization.

255856055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295.

The product of its (nonzero) digits is 300000, while the sum is 41.

The square root of 255856055 is about 15995.5010862430. The cubic root of 255856055 is about 634.8413888681.

The spelling of 255856055 in words is "two hundred fifty-five million, eight hundred fifty-six thousand, fifty-five".

Divisors: 1 5 7 13 35 65 91 283 455 1415 1981 1987 3679 9905 9935 13909 18395 25753 25831 69545 128765 129155 180817 562321 904085 2811605 3936247 7310173 19681235 36550865 51171211 255856055