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255080 = 2357911
BaseRepresentation
bin111110010001101000
3110221220102
4332101220
531130310
65244532
72111450
oct762150
9427812
10255080
11164711
12103748
138c147
1468d60
15508a5
hex3e468

255080 has 32 divisors (see below), whose sum is σ = 656640. Its totient is φ = 87360.

The previous prime is 255077. The next prime is 255083. The reversal of 255080 is 80552.

255080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255077) and next prime (255083).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (255083) 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, 176 + ... + 735.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2255080 is an apocalyptic number.

255080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255080 is an abundant number, since it is smaller than the sum of its proper divisors (401560).

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

255080 is a wasteful number, since it uses less digits than its factorization.

255080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 255080 is about 505.0544525098. The cubic root of 255080 is about 63.4198878122.

The spelling of 255080 in words is "two hundred fifty-five thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 911 1822 3644 4555 6377 7288 9110 12754 18220 25508 31885 36440 51016 63770 127540 255080