Base | Representation |
---|---|
bin | 1001100001110011… |
… | …0110100010111110 |
3 | 20121020202122012020 |
4 | 2120130312202332 |
5 | 20214232402121 |
6 | 1101444221010 |
7 | 120245044101 |
oct | 23034664276 |
9 | 6536678166 |
10 | 2557700286 |
11 | 10a2834099 |
12 | 5b469a766 |
13 | 319b8272b |
14 | 1a3990738 |
15 | ee8271c6 |
hex | 987368be |
2557700286 has 48 divisors (see below), whose sum is σ = 5560541184. Its totient is φ = 783732096.
The previous prime is 2557700281. The next prime is 2557700297. The reversal of 2557700286 is 6820077552.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2557700281) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 57411 + ... + 91713.
It is an arithmetic number, because the mean of its divisors is an integer number (115844608).
Almost surely, 22557700286 is an apocalyptic number.
2557700286 is an abundant number, since it is smaller than the sum of its proper divisors (3002840898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2557700286 is a wasteful number, since it uses less digits than its factorization.
2557700286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34385 (or 34368 counting only the distinct ones).
The product of its (nonzero) digits is 235200, while the sum is 42.
The square root of 2557700286 is about 50573.7114121556. The cubic root of 2557700286 is about 1367.5710038253.
The spelling of 2557700286 in words is "two billion, five hundred fifty-seven million, seven hundred thousand, two hundred eighty-six".
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