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".
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