Base | Representation |
---|---|
bin | 1101101101010… |
… | …0101101101011 |
3 | 11000012000110110 |
4 | 3123110231223 |
5 | 104204310004 |
6 | 5412145403 |
7 | 1265460045 |
oct | 333245553 |
9 | 130160413 |
10 | 57494379 |
11 | 2a4aa418 |
12 | 17308263 |
13 | bbb0657 |
14 | 78c8a95 |
15 | 50aa589 |
hex | 36d4b6b |
57494379 has 16 divisors (see below), whose sum is σ = 78560640. Its totient is φ = 37389120.
The previous prime is 57494377. The next prime is 57494389. The reversal of 57494379 is 97349475.
It is a happy number.
It is not a de Polignac number, because 57494379 - 21 = 57494377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57494377) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23064 + ... + 25434.
It is an arithmetic number, because the mean of its divisors is an integer number (4910040).
Almost surely, 257494379 is an apocalyptic number.
57494379 is a gapful number since it is divisible by the number (59) formed by its first and last digit.
57494379 is a deficient number, since it is larger than the sum of its proper divisors (21066261).
57494379 is a wasteful number, since it uses less digits than its factorization.
57494379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2570.
The product of its digits is 952560, while the sum is 48.
The square root of 57494379 is about 7582.5047972289. The cubic root of 57494379 is about 385.9595539605.
The spelling of 57494379 in words is "fifty-seven million, four hundred ninety-four thousand, three hundred seventy-nine".
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