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256070 = 2529883
BaseRepresentation
bin111110100001000110
3111000021002
4332201012
531143240
65253302
72114363
oct764106
9430232
10256070
11165431
12104232
138c729
146946a
1550d15
hex3e846

256070 has 16 divisors (see below), whose sum is σ = 477360. Its totient is φ = 98784.

The previous prime is 256057. The next prime is 256079. The reversal of 256070 is 70652.

256070 = T29 + T30 + ... + T115.

256070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 256070.

It is not an unprimeable number, because it can be changed into a prime (256079) by changing a digit.

256070 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 7 ways as a sum of consecutive naturals, for example, 152 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (29835).

2256070 is an apocalyptic number.

256070 is a deficient number, since it is larger than the sum of its proper divisors (221290).

256070 is a wasteful number, since it uses less digits than its factorization.

256070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 256070 is about 506.0335957227. The cubic root of 256070 is about 63.5018289510.

The spelling of 256070 in words is "two hundred fifty-six thousand, seventy".

Divisors: 1 2 5 10 29 58 145 290 883 1766 4415 8830 25607 51214 128035 256070