Base | Representation |
---|---|
bin | 11110100010010… |
… | …11100011101110 |
3 | 122212000101020121 |
4 | 33101023203232 |
5 | 1011034141110 |
6 | 41230235154 |
7 | 6230225035 |
oct | 1721134356 |
9 | 585011217 |
10 | 256162030 |
11 | 121662363 |
12 | 71955aba |
13 | 410bc387 |
14 | 2604171c |
15 | 1774ecda |
hex | f44b8ee |
256162030 has 16 divisors (see below), whose sum is σ = 465570144. Its totient is φ = 101469600.
The previous prime is 256162019. The next prime is 256162031. The reversal of 256162030 is 30261652.
256162030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2561620302 = 131237971227441800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 256161986 and 256162004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (256162031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123321 + ... + 125380.
It is an arithmetic number, because the mean of its divisors is an integer number (29098134).
Almost surely, 2256162030 is an apocalyptic number.
256162030 is a deficient number, since it is larger than the sum of its proper divisors (209408114).
256162030 is a wasteful number, since it uses less digits than its factorization.
256162030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248811.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 256162030 is about 16005.0626365535. The cubic root of 256162030 is about 635.0943543013.
The spelling of 256162030 in words is "two hundred fifty-six million, one hundred sixty-two thousand, thirty".
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