Base | Representation |
---|---|
bin | 11110010010110… |
… | …11011101001010 |
3 | 122201012010211000 |
4 | 33021123131022 |
5 | 1010024124434 |
6 | 41114515430 |
7 | 6204032526 |
oct | 1711333512 |
9 | 581163730 |
10 | 254129994 |
11 | 1204a4698 |
12 | 71135b76 |
13 | 4085a4a1 |
14 | 25a72d86 |
15 | 1749cb99 |
hex | f25b74a |
254129994 has 32 divisors (see below), whose sum is σ = 569744640. Its totient is φ = 83958336.
The previous prime is 254129989. The next prime is 254129999. The reversal of 254129994 is 499921452.
It is an interprime number because it is at equal distance from previous prime (254129989) and next prime (254129999).
It is not an unprimeable number, because it can be changed into a prime (254129999) 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, 14722 + ... + 26925.
It is an arithmetic number, because the mean of its divisors is an integer number (17804520).
Almost surely, 2254129994 is an apocalyptic number.
254129994 is an abundant number, since it is smaller than the sum of its proper divisors (315614646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254129994 is a wasteful number, since it uses less digits than its factorization.
254129994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41771 (or 41765 counting only the distinct ones).
The product of its digits is 233280, while the sum is 45.
The square root of 254129994 is about 15941.4552033370. The cubic root of 254129994 is about 633.4105734666.
The spelling of 254129994 in words is "two hundred fifty-four million, one hundred twenty-nine thousand, nine hundred ninety-four".
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