Base | Representation |
---|---|
bin | 1101110001001… |
… | …1001111000101 |
3 | 11000200000202021 |
4 | 3130103033011 |
5 | 104241003334 |
6 | 5421443141 |
7 | 1300604500 |
oct | 334231705 |
9 | 130600667 |
10 | 57750469 |
11 | 2a664867 |
12 | 174104b1 |
13 | bc7009a |
14 | 7954137 |
15 | 510b3b4 |
hex | 37133c5 |
57750469 has 18 divisors (see below), whose sum is σ = 68775174. Its totient is φ = 48338640.
The previous prime is 57750467. The next prime is 57750529. The reversal of 57750469 is 96405775.
It can be written as a sum of positive squares in only one way, i.e., 34082244 + 23668225 = 5838^2 + 4865^2 .
It is not a de Polignac number, because 57750469 - 21 = 57750467 is a prime.
It is a super-2 number, since 2×577504692 = 6670233339439922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57750461) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 415402 + ... + 415540.
It is an arithmetic number, because the mean of its divisors is an integer number (3820843).
Almost surely, 257750469 is an apocalyptic number.
57750469 is the 4388-th hex number.
It is an amenable number.
57750469 is a deficient number, since it is larger than the sum of its proper divisors (11024705).
57750469 is an equidigital number, since it uses as much as digits as its factorization.
57750469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353 (or 207 counting only the distinct ones).
The product of its (nonzero) digits is 264600, while the sum is 43.
The square root of 57750469 is about 7599.3729346572. The cubic root of 57750469 is about 386.5317489889.
The spelling of 57750469 in words is "fifty-seven million, seven hundred fifty thousand, four hundred sixty-nine".
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