Base | Representation |
---|---|
bin | 11110010010101… |
… | …10000111100010 |
3 | 122201011000211020 |
4 | 33021112013202 |
5 | 1010022430010 |
6 | 41114230310 |
7 | 6203612013 |
oct | 1711260742 |
9 | 581130736 |
10 | 254108130 |
11 | 12048a221 |
12 | 71125396 |
13 | 40850553 |
14 | 25a6900a |
15 | 17496470 |
hex | f2561e2 |
254108130 has 32 divisors (see below), whose sum is σ = 611496000. Its totient is φ = 67580352.
The previous prime is 254108123. The next prime is 254108131. The reversal of 254108130 is 31801452.
254108130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 254108130.
It is not an unprimeable number, because it can be changed into a prime (254108131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196 + ... + 22544.
It is an arithmetic number, because the mean of its divisors is an integer number (19109250).
Almost surely, 2254108130 is an apocalyptic number.
254108130 is an abundant number, since it is smaller than the sum of its proper divisors (357387870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254108130 is a wasteful number, since it uses less digits than its factorization.
254108130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22738.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 254108130 is about 15940.7694293594. The cubic root of 254108130 is about 633.3924078476.
Adding to 254108130 its reverse (31801452), we get a palindrome (285909582).
The spelling of 254108130 in words is "two hundred fifty-four million, one hundred eight thousand, one hundred thirty".
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