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255060857 = 5310346723
BaseRepresentation
bin11110011001111…
…10101101111001
3122202221102201102
433030332231321
51010243421412
641150501145
76214660442
oct1714765571
9582842642
10255060857
11120a7aaa7
12715047b5
1340ac50ac
1425c362c9
15175d38c2
hexf33eb79

255060857 has 8 divisors (see below), whose sum is σ = 262401984. Its totient is φ = 247813488.

The previous prime is 255060853. The next prime is 255060863. The reversal of 255060857 is 758060552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255060857 - 22 = 255060853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255060857.

It is not an unprimeable number, because it can be changed into a prime (255060851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17903 + ... + 28820.

It is an arithmetic number, because the mean of its divisors is an integer number (32800248).

Almost surely, 2255060857 is an apocalyptic number.

It is an amenable number.

255060857 is a deficient number, since it is larger than the sum of its proper divisors (7341127).

255060857 is a wasteful number, since it uses less digits than its factorization.

255060857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46879.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 255060857 is about 15970.6248155794. The cubic root of 255060857 is about 634.1830128081.

The spelling of 255060857 in words is "two hundred fifty-five million, sixty thousand, eight hundred fifty-seven".

Divisors: 1 53 103 5459 46723 2476319 4812469 255060857