Base | Representation |
---|---|
bin | 1101110010100… |
… | …0110100111011 |
3 | 11000211112001202 |
4 | 3130220310323 |
5 | 104301321112 |
6 | 5423404415 |
7 | 1301423360 |
oct | 334506473 |
9 | 130745052 |
10 | 57838907 |
11 | 2a715255 |
12 | 1745370b |
13 | bca1409 |
14 | 7978467 |
15 | 51276c2 |
hex | 3728d3b |
57838907 has 16 divisors (see below), whose sum is σ = 69811200. Its totient is φ = 46811520.
The previous prime is 57838903. The next prime is 57838909. The reversal of 57838907 is 70983875.
It is not a de Polignac number, because 57838907 - 22 = 57838903 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57838903) 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, 56819 + ... + 57827.
It is an arithmetic number, because the mean of its divisors is an integer number (4363200).
Almost surely, 257838907 is an apocalyptic number.
57838907 is a deficient number, since it is larger than the sum of its proper divisors (11972293).
57838907 is a wasteful number, since it uses less digits than its factorization.
57838907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1466.
The product of its (nonzero) digits is 423360, while the sum is 47.
The square root of 57838907 is about 7605.1894782444. The cubic root of 57838907 is about 386.7289575462.
The spelling of 57838907 in words is "fifty-seven million, eight hundred thirty-eight thousand, nine hundred seven".
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