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557385850 = 25275872713
BaseRepresentation
bin100001001110010…
…000100001111010
31102211211010122101
4201032100201322
52120142321400
6131150414014
716545462430
oct4116204172
91384733571
10557385850
112666a226a
1213680130a
138b628218
1454052d50
1533e0156a
hex2139087a

557385850 has 48 divisors (see below), whose sum is σ = 1187299008. Its totient is φ = 190707840.

The previous prime is 557385827. The next prime is 557385863. The reversal of 557385850 is 58583755.

It is a self number, because there is not a number n which added to its sum of digits gives 557385850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204094 + ... + 206806.

It is an arithmetic number, because the mean of its divisors is an integer number (24735396).

Almost surely, 2557385850 is an apocalyptic number.

557385850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

557385850 is an abundant number, since it is smaller than the sum of its proper divisors (629913158).

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

557385850 is a wasteful number, since it uses less digits than its factorization.

557385850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 46.

The square root of 557385850 is about 23609.0205218260. The cubic root of 557385850 is about 822.9724806951.

The spelling of 557385850 in words is "five hundred fifty-seven million, three hundred eighty-five thousand, eight hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 587 1174 2713 2935 4109 5426 5870 8218 13565 14675 18991 20545 27130 29350 37982 41090 67825 94955 102725 135650 189910 205450 474775 949550 1592531 3185062 7962655 11147717 15925310 22295434 39813275 55738585 79626550 111477170 278692925 557385850