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255112200 = 233352717397
BaseRepresentation
bin11110011010010…
…11010000001000
3122210001001011000
433031023100020
51010302042300
641151535000
76215263230
oct1715132010
9583031130
10255112200
11121005632
127152a460
1340b12585
1425c4acc0
15175e3c00
hexf34b408

255112200 has 384 divisors, whose sum is σ = 1066003200. Its totient is φ = 54743040.

The previous prime is 255112199. The next prime is 255112219. The reversal of 255112200 is 2211552.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 642402 + ... + 642798.

It is an arithmetic number, because the mean of its divisors is an integer number (2776050).

Almost surely, 2255112200 is an apocalyptic number.

255112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533001600).

255112200 is an abundant number, since it is smaller than the sum of its proper divisors (810891000).

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

255112200 is a wasteful number, since it uses less digits than its factorization.

255112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 255112200 is about 15972.2321545863. The cubic root of 255112200 is about 634.2255630113.

Adding to 255112200 its reverse (2211552), we get a palindrome (257323752).

The spelling of 255112200 in words is "two hundred fifty-five million, one hundred twelve thousand, two hundred".