Base | Representation |
---|---|
bin | 11110010010111… |
… | …00001110010100 |
3 | 122201012022010112 |
4 | 33021130032110 |
5 | 1010024230030 |
6 | 41114542152 |
7 | 6204044642 |
oct | 1711341624 |
9 | 581168115 |
10 | 254133140 |
11 | 1204a6a98 |
12 | 71137958 |
13 | 4085ba51 |
14 | 25a74192 |
15 | 1749da95 |
hex | f25c394 |
254133140 has 48 divisors (see below), whose sum is σ = 544610304. Its totient is φ = 99590400.
The previous prime is 254133109. The next prime is 254133157. The reversal of 254133140 is 41331452.
254133140 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 unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270752 + ... + 271688.
It is an arithmetic number, because the mean of its divisors is an integer number (11346048).
Almost surely, 2254133140 is an apocalyptic number.
254133140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
254133140 is an abundant number, since it is smaller than the sum of its proper divisors (290477164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254133140 is a wasteful number, since it uses less digits than its factorization.
254133140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1208 (or 1206 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 254133140 is about 15941.5538765830. The cubic root of 254133140 is about 633.4131872227.
Adding to 254133140 its reverse (41331452), we get a palindrome (295464592).
The spelling of 254133140 in words is "two hundred fifty-four million, one hundred thirty-three thousand, one hundred forty".
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