Base | Representation |
---|---|
bin | 11110010101111… |
… | …00101000111001 |
3 | 122201221100212002 |
4 | 33022330220321 |
5 | 1010124344212 |
6 | 41131230345 |
7 | 6210311210 |
oct | 1712745071 |
9 | 581840762 |
10 | 254528057 |
11 | 120746773 |
12 | 712a83b5 |
13 | 40969724 |
14 | 25b38077 |
15 | 1752aac2 |
hex | f2bca39 |
254528057 has 8 divisors (see below), whose sum is σ = 291431232. Its totient is φ = 217760400.
The previous prime is 254528039. The next prime is 254528059. The reversal of 254528057 is 750825452.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 254528057 - 26 = 254527993 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 254528057.
It is not an unprimeable number, because it can be changed into a prime (254528059) 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, 29819 + ... + 37392.
It is an arithmetic number, because the mean of its divisors is an integer number (36428904).
Almost surely, 2254528057 is an apocalyptic number.
It is an amenable number.
254528057 is a deficient number, since it is larger than the sum of its proper divisors (36903175).
254528057 is an equidigital number, since it uses as much as digits as its factorization.
254528057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67759.
The product of its (nonzero) digits is 112000, while the sum is 38.
The square root of 254528057 is about 15953.9354705978. The cubic root of 254528057 is about 633.7411205439.
The spelling of 254528057 in words is "two hundred fifty-four million, five hundred twenty-eight thousand, fifty-seven".
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