Base | Representation |
---|---|
bin | 1101110011111… |
… | …0001011110001 |
3 | 11000222222001200 |
4 | 3130332023301 |
5 | 104312121020 |
6 | 5425321413 |
7 | 1302236406 |
oct | 334761361 |
9 | 130888050 |
10 | 57926385 |
11 | 2a774a50 |
12 | 17496269 |
13 | c00218a |
14 | 799c2ad |
15 | 5143590 |
hex | 373e2f1 |
57926385 has 24 divisors (see below), whose sum is σ = 109534464. Its totient is φ = 28085280.
The previous prime is 57926381. The next prime is 57926387. The reversal of 57926385 is 58362975.
It is a happy number.
57926385 is a `hidden beast` number, since 5 + 7 + 9 + 2 + 638 + 5 = 666.
It is not a de Polignac number, because 57926385 - 22 = 57926381 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 57926385.
It is not an unprimeable number, because it can be changed into a prime (57926381) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58017 + ... + 59006.
It is an arithmetic number, because the mean of its divisors is an integer number (4563936).
Almost surely, 257926385 is an apocalyptic number.
57926385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57926385 is a deficient number, since it is larger than the sum of its proper divisors (51608079).
57926385 is a wasteful number, since it uses less digits than its factorization.
57926385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117045 (or 117042 counting only the distinct ones).
The product of its digits is 453600, while the sum is 45.
The square root of 57926385 is about 7610.9385098028. The cubic root of 57926385 is about 386.9238277260.
It can be divided in two parts, 57926 and 385, that added together give a triangular number (58311 = T341).
The spelling of 57926385 in words is "fifty-seven million, nine hundred twenty-six thousand, three hundred eighty-five".
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