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255606568 = 2378535351
BaseRepresentation
bin11110011110000…
…11111100101000
3122210222011021221
433033003330220
51010413402233
641210311424
76222422440
oct1717037450
9583864257
10255606568
11121312aa8
1271728574
1340c565b9
1425d39120
151769042d
hexf3c3f28

255606568 has 32 divisors (see below), whose sum is σ = 548472960. Its totient is φ = 109396800.

The previous prime is 255606529. The next prime is 255606569. The reversal of 255606568 is 865606552.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (255606569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45093 + ... + 50443.

It is an arithmetic number, because the mean of its divisors is an integer number (17139780).

Almost surely, 2255606568 is an apocalyptic number.

255606568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

255606568 is an abundant number, since it is smaller than the sum of its proper divisors (292866392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255606568 is a wasteful number, since it uses less digits than its factorization.

255606568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 255606568 is about 15987.7005225892. The cubic root of 255606568 is about 634.6349756928.

The spelling of 255606568 in words is "two hundred fifty-five million, six hundred six thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 853 1706 3412 5351 5971 6824 10702 11942 21404 23884 37457 42808 47768 74914 149828 299656 4564403 9128806 18257612 31950821 36515224 63901642 127803284 255606568