Base | Representation |
---|---|
bin | 11110010010000… |
… | …11010011010001 |
3 | 122201000010002200 |
4 | 33021003103101 |
5 | 1010012443212 |
6 | 41112433413 |
7 | 6203141220 |
oct | 1711032321 |
9 | 581003080 |
10 | 254031057 |
11 | 120437325 |
12 | 710a8869 |
13 | 40824447 |
14 | 25a48cb7 |
15 | 1747d6dc |
hex | f2434d1 |
254031057 has 48 divisors (see below), whose sum is σ = 434903040. Its totient is φ = 139872096.
The previous prime is 254031047. The next prime is 254031061. The reversal of 254031057 is 750130452.
It is a happy number.
It is not a de Polignac number, because 254031057 - 26 = 254030993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 254031057.
It is not an unprimeable number, because it can be changed into a prime (254031047) 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 47 ways as a sum of consecutive naturals, for example, 213418 + ... + 214604.
It is an arithmetic number, because the mean of its divisors is an integer number (9060480).
Almost surely, 2254031057 is an apocalyptic number.
It is an amenable number.
254031057 is a deficient number, since it is larger than the sum of its proper divisors (180871983).
254031057 is a wasteful number, since it uses less digits than its factorization.
254031057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1322 (or 1319 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 254031057 is about 15938.3517654744. The cubic root of 254031057 is about 633.3283637345.
The spelling of 254031057 in words is "two hundred fifty-four million, thirty-one thousand, fifty-seven".
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