Base | Representation |
---|---|
bin | 1101110010110… |
… | …1111101100010 |
3 | 11000212120220200 |
4 | 3130231331202 |
5 | 104303004223 |
6 | 5424050030 |
7 | 1301541603 |
oct | 334557542 |
9 | 130776820 |
10 | 57859938 |
11 | 2a72a034 |
12 | 17463916 |
13 | bcaab66 |
14 | 7981daa |
15 | 512da43 |
hex | 372df62 |
57859938 has 24 divisors (see below), whose sum is σ = 128422476. Its totient is φ = 18816000.
The previous prime is 57859933. The next prime is 57859969. The reversal of 57859938 is 83995875.
It can be written as a sum of positive squares in 2 ways, for example, as 57198969 + 660969 = 7563^2 + 813^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57859933) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38463 + ... + 39938.
Almost surely, 257859938 is an apocalyptic number.
57859938 is an abundant number, since it is smaller than the sum of its proper divisors (70562538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57859938 is a wasteful number, since it uses less digits than its factorization.
57859938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78450 (or 78447 counting only the distinct ones).
The product of its digits is 2721600, while the sum is 54.
The square root of 57859938 is about 7606.5720268726. The cubic root of 57859938 is about 386.7758251395.
It can be divided in two parts, 578 and 59938, that added together give a square (60516 = 2462).
The spelling of 57859938 in words is "fifty-seven million, eight hundred fifty-nine thousand, nine hundred thirty-eight".
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