Base | Representation |
---|---|
bin | 1101110010100… |
… | …0101000001011 |
3 | 11000211110221112 |
4 | 3130220220023 |
5 | 104301304331 |
6 | 5423400535 |
7 | 1301421113 |
oct | 334505013 |
9 | 130743845 |
10 | 57838091 |
11 | 2a714683 |
12 | 1745314b |
13 | bca0c2c |
14 | 7978043 |
15 | 512732b |
hex | 3728a0b |
57838091 has 8 divisors (see below), whose sum is σ = 58791168. Its totient is φ = 56889000.
The previous prime is 57838061. The next prime is 57838103. The reversal of 57838091 is 19083875.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57838091 - 222 = 53643787 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57838021) 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, 44156 + ... + 45446.
It is an arithmetic number, because the mean of its divisors is an integer number (7348896).
Almost surely, 257838091 is an apocalyptic number.
57838091 is a deficient number, since it is larger than the sum of its proper divisors (953077).
57838091 is a wasteful number, since it uses less digits than its factorization.
57838091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1993.
The product of its (nonzero) digits is 60480, while the sum is 41.
The square root of 57838091 is about 7605.1358304767. The cubic root of 57838091 is about 386.7271388608.
The spelling of 57838091 in words is "fifty-seven million, eight hundred thirty-eight thousand, ninety-one".
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