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255065080 = 23510361909
BaseRepresentation
bin11110011001111…
…11101111111000
3122202221122111211
433030333233320
51010244040310
641150532504
76215005654
oct1714775770
9582848454
10255065080
11120a83196
1271507134
1340ac6caa
1425c37a64
15175d4c8a
hexf33fbf8

255065080 has 32 divisors (see below), whose sum is σ = 579477600. Its totient is φ = 101033856.

The previous prime is 255065077. The next prime is 255065081. The reversal of 255065080 is 80560552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255065081) 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, 26835 + ... + 35074.

It is an arithmetic number, because the mean of its divisors is an integer number (18108675).

Almost surely, 2255065080 is an apocalyptic number.

255065080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255065080 is an abundant number, since it is smaller than the sum of its proper divisors (324412520).

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

255065080 is a wasteful number, since it uses less digits than its factorization.

255065080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62023 (or 62019 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 255065080 is about 15970.7570265157. The cubic root of 255065080 is about 634.1865128095.

The spelling of 255065080 in words is "two hundred fifty-five million, sixty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 1030 2060 4120 61909 123818 247636 309545 495272 619090 1238180 2476360 6376627 12753254 25506508 31883135 51013016 63766270 127532540 255065080