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255690248 = 23112905571
BaseRepresentation
bin11110011110110…
…00011000001000
3122211010102002012
433033120120020
51010424041443
641212155052
76223221422
oct1717303010
9584112065
10255690248
1112136a960
1271768a88
1340c85708
1425d5b812
15176aa118
hexf3d8608

255690248 has 16 divisors (see below), whose sum is σ = 523002960. Its totient is φ = 116222800.

The previous prime is 255690229. The next prime is 255690257. The reversal of 255690248 is 842096552.

255690248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 1452698 + ... + 1452873.

It is an arithmetic number, because the mean of its divisors is an integer number (32687685).

Almost surely, 2255690248 is an apocalyptic number.

It is an amenable number.

255690248 is an abundant number, since it is smaller than the sum of its proper divisors (267312712).

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

255690248 is a wasteful number, since it uses less digits than its factorization.

255690248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905588 (or 2905584 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 255690248 is about 15990.3173201785. The cubic root of 255690248 is about 634.7042233403.

The spelling of 255690248 in words is "two hundred fifty-five million, six hundred ninety thousand, two hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 88 2905571 5811142 11622284 23244568 31961281 63922562 127845124 255690248