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255226260 = 223514093019
BaseRepresentation
bin11110011011001…
…11000110010100
3122210020211121110
433031213012110
51010314220020
641154215020
76216246612
oct1715470624
9583224543
10255226260
111210832a3
1271584470
1340b52473
1425c7a6b2
15176178e0
hexf367194

255226260 has 48 divisors (see below), whose sum is σ = 715377600. Its totient is φ = 67989504.

The previous prime is 255226171. The next prime is 255226261. The reversal of 255226260 is 62622552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255226261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83031 + ... + 86049.

It is an arithmetic number, because the mean of its divisors is an integer number (14903700).

Almost surely, 2255226260 is an apocalyptic number.

255226260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255226260 is an abundant number, since it is smaller than the sum of its proper divisors (460151340).

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

255226260 is a wasteful number, since it uses less digits than its factorization.

255226260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 255226260 is about 15975.8023272698. The cubic root of 255226260 is about 634.3200691272.

The spelling of 255226260 in words is "two hundred fifty-five million, two hundred twenty-six thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1409 2818 3019 4227 5636 6038 7045 8454 9057 12076 14090 15095 16908 18114 21135 28180 30190 36228 42270 45285 60380 84540 90570 181140 4253771 8507542 12761313 17015084 21268855 25522626 42537710 51045252 63806565 85075420 127613130 255226260