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255804 = 22321317
BaseRepresentation
bin111110011100111100
3110222220020
4332130330
531141204
65252140
72113533
oct763474
9428806
10255804
1116520a
12104050
138c583
146931a
1550bd9
hex3e73c

255804 has 12 divisors (see below), whose sum is σ = 596904. Its totient is φ = 85264.

The previous prime is 255803. The next prime is 255839. The reversal of 255804 is 408552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10647 + ... + 10670.

It is an arithmetic number, because the mean of its divisors is an integer number (49742).

2255804 is an apocalyptic number.

It is an amenable number.

255804 is an abundant number, since it is smaller than the sum of its proper divisors (341100).

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

255804 is a wasteful number, since it uses less digits than its factorization.

255804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21324 (or 21322 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 255804 is about 505.7706990327. The cubic root of 255804 is about 63.4798332223.

The spelling of 255804 in words is "two hundred fifty-five thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 21317 42634 63951 85268 127902 255804