Base | Representation |
---|---|
bin | 10010111011010… |
… | …101101010111010 |
3 | 211010111222001100 |
4 | 102323111222322 |
5 | 1122242421041 |
6 | 51302032230 |
7 | 10604042412 |
oct | 2273255272 |
9 | 733458040 |
10 | 317545146 |
11 | 153278406 |
12 | 8a418676 |
13 | 50a31a49 |
14 | 3025d642 |
15 | 1cd276b6 |
hex | 12ed5aba |
317545146 has 24 divisors (see below), whose sum is σ = 689712660. Its totient is φ = 105587136.
The previous prime is 317545097. The next prime is 317545169. The reversal of 317545146 is 641545713.
It can be written as a sum of positive squares in 2 ways, for example, as 314672121 + 2873025 = 17739^2 + 1695^2 .
It is a super-2 number, since 2×3175451462 = 201669839496322632, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 317545146.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14205 + ... + 28928.
Almost surely, 2317545146 is an apocalyptic number.
317545146 is an abundant number, since it is smaller than the sum of its proper divisors (372167514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
317545146 is a wasteful number, since it uses less digits than its factorization.
317545146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43550 (or 43547 counting only the distinct ones).
The product of its digits is 50400, while the sum is 36.
The square root of 317545146 is about 17819.7964634841. The cubic root of 317545146 is about 682.2368280513.
The spelling of 317545146 in words is "three hundred seventeen million, five hundred forty-five thousand, one hundred forty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •