Base | Representation |
---|---|
bin | 11110100010001… |
… | …10100001111000 |
3 | 122211222022222201 |
4 | 33101012201320 |
5 | 1011033011212 |
6 | 41225555544 |
7 | 6230111011 |
oct | 1721064170 |
9 | 584868881 |
10 | 256141432 |
11 | 121648938 |
12 | 71945bb4 |
13 | 410b2ba1 |
14 | 26038008 |
15 | 17748b57 |
hex | f446878 |
256141432 has 64 divisors (see below), whose sum is σ = 540691200. Its totient is φ = 113160960.
The previous prime is 256141429. The next prime is 256141433. The reversal of 256141432 is 234141652.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 256141432.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (256141433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142443 + ... + 144229.
It is an arithmetic number, because the mean of its divisors is an integer number (8448300).
Almost surely, 2256141432 is an apocalyptic number.
It is an amenable number.
256141432 is an abundant number, since it is smaller than the sum of its proper divisors (284549768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
256141432 is a wasteful number, since it uses less digits than its factorization.
256141432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1876 (or 1872 counting only the distinct ones).
The product of its digits is 5760, while the sum is 28.
The square root of 256141432 is about 16004.4191397251. The cubic root of 256141432 is about 635.0773311901.
The spelling of 256141432 in words is "two hundred fifty-six million, one hundred forty-one thousand, four hundred thirty-two".
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