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255028 = 22103619
BaseRepresentation
bin111110010000110100
3110221211111
4332100310
531130103
65244404
72111344
oct762064
9427744
10255028
11164674
12103704
138c107
1468d24
155086d
hex3e434

255028 has 12 divisors (see below), whose sum is σ = 451360. Its totient is φ = 126072.

The previous prime is 255023. The next prime is 255043. The reversal of 255028 is 820552.

255028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255023) by changing a digit.

255028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103 + ... + 721.

2255028 is an apocalyptic number.

It is an amenable number.

255028 is a deficient number, since it is larger than the sum of its proper divisors (196332).

255028 is a wasteful number, since it uses less digits than its factorization.

255028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 255028 is about 505.0029702883. The cubic root of 255028 is about 63.4155779770.

The spelling of 255028 in words is "two hundred fifty-five thousand, twenty-eight".

Divisors: 1 2 4 103 206 412 619 1238 2476 63757 127514 255028