Base | Representation |
---|---|
bin | 1101101010100… |
… | …1110100100101 |
3 | 10222212002110120 |
4 | 3122221310211 |
5 | 104133144233 |
6 | 5404312153 |
7 | 1264125615 |
oct | 332516445 |
9 | 128762416 |
10 | 57318693 |
11 | 2a39a423 |
12 | 17242659 |
13 | bb4b6b3 |
14 | 7880a45 |
15 | 50734b3 |
hex | 36a9d25 |
57318693 has 8 divisors (see below), whose sum is σ = 76561056. Its totient is φ = 38144400.
The previous prime is 57318689. The next prime is 57318707. The reversal of 57318693 is 39681375.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57318693 - 22 = 57318689 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57318623) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15018 + ... + 18443.
It is an arithmetic number, because the mean of its divisors is an integer number (9570132).
Almost surely, 257318693 is an apocalyptic number.
It is an amenable number.
57318693 is a deficient number, since it is larger than the sum of its proper divisors (19242363).
57318693 is a wasteful number, since it uses less digits than its factorization.
57318693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34035.
The product of its digits is 136080, while the sum is 42.
The square root of 57318693 is about 7570.9109755696. The cubic root of 57318693 is about 385.5660263631.
The spelling of 57318693 in words is "fifty-seven million, three hundred eighteen thousand, six hundred ninety-three".
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