Base | Representation |
---|---|
bin | 1101101010111… |
… | …0100101100111 |
3 | 10222220002020121 |
4 | 3122232211213 |
5 | 104134310330 |
6 | 5404542411 |
7 | 1264236544 |
oct | 332564547 |
9 | 128802217 |
10 | 57338215 |
11 | 2a403060 |
12 | 17251a07 |
13 | bb5754c |
14 | 7887bcb |
15 | 507917a |
hex | 36ae967 |
57338215 has 16 divisors (see below), whose sum is σ = 76094496. Its totient is φ = 41126400.
The previous prime is 57338207. The next prime is 57338233. The reversal of 57338215 is 51283375.
It is not a de Polignac number, because 57338215 - 23 = 57338207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3126 + ... + 11155.
It is an arithmetic number, because the mean of its divisors is an integer number (4755906).
Almost surely, 257338215 is an apocalyptic number.
57338215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
57338215 is a deficient number, since it is larger than the sum of its proper divisors (18756281).
57338215 is a wasteful number, since it uses less digits than its factorization.
57338215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14370.
The product of its digits is 25200, while the sum is 34.
The square root of 57338215 is about 7572.2001426270. The cubic root of 57338215 is about 385.6097943161.
The spelling of 57338215 in words is "fifty-seven million, three hundred thirty-eight thousand, two hundred fifteen".
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