Base | Representation |
---|---|
bin | 1101101010001… |
… | …0101101010110 |
3 | 10222210121111111 |
4 | 3122202231112 |
5 | 104131231213 |
6 | 5403525234 |
7 | 1263644644 |
oct | 332425526 |
9 | 128717444 |
10 | 57289558 |
11 | 2a37a547 |
12 | 1722981a |
13 | bb3b361 |
14 | 7874194 |
15 | 5069a3d |
hex | 36a2b56 |
57289558 has 32 divisors (see below), whose sum is σ = 95256000. Its totient is φ = 25718784.
The previous prime is 57289549. The next prime is 57289559. The reversal of 57289558 is 85598275.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57289559) 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, 95343 + ... + 95941.
It is an arithmetic number, because the mean of its divisors is an integer number (2976750).
Almost surely, 257289558 is an apocalyptic number.
57289558 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
57289558 is a deficient number, since it is larger than the sum of its proper divisors (37966442).
57289558 is a wasteful number, since it uses less digits than its factorization.
57289558 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 744.
The product of its digits is 1008000, while the sum is 49.
The square root of 57289558 is about 7568.9865900264. The cubic root of 57289558 is about 385.5006877598.
The spelling of 57289558 in words is "fifty-seven million, two hundred eighty-nine thousand, five hundred fifty-eight".
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