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256092 = 22321341
BaseRepresentation
bin111110100001011100
3111000021220
4332201130
531143332
65253340
72114424
oct764134
9430256
10256092
11165451
12104250
138c745
1469484
1550d2c
hex3e85c

256092 has 12 divisors (see below), whose sum is σ = 597576. Its totient is φ = 85360.

The previous prime is 256079. The next prime is 256093. The reversal of 256092 is 290652.

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

It is a super-2 number, since 2×2560922 = 131166224928, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256092.

It is not an unprimeable number, because it can be changed into a prime (256093) by changing a digit.

256092 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, 10659 + ... + 10682.

It is an arithmetic number, because the mean of its divisors is an integer number (49798).

2256092 is an apocalyptic number.

It is an amenable number.

256092 is an abundant number, since it is smaller than the sum of its proper divisors (341484).

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

256092 is a wasteful number, since it uses less digits than its factorization.

256092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21348 (or 21346 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 256092 is about 506.0553329430. The cubic root of 256092 is about 63.5036474644.

The spelling of 256092 in words is "two hundred fifty-six thousand, ninety-two".

Divisors: 1 2 3 4 6 12 21341 42682 64023 85364 128046 256092