Base | Representation |
---|---|
bin | 1101101000110… |
… | …1110110011000 |
3 | 10222122021022010 |
4 | 3122031312120 |
5 | 104121012440 |
6 | 5402025520 |
7 | 1263140601 |
oct | 332156630 |
9 | 128567263 |
10 | 57204120 |
11 | 2a321336 |
12 | 171a82a0 |
13 | bb0b4bc |
14 | 7850da8 |
15 | 504e580 |
hex | 368dd98 |
57204120 has 32 divisors (see below), whose sum is σ = 171612720. Its totient is φ = 15254400.
The previous prime is 57204089. The next prime is 57204157. The reversal of 57204120 is 2140275.
It is a super-2 number, since 2×572041202 = 6544622689948800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238231 + ... + 238470.
Almost surely, 257204120 is an apocalyptic number.
It is an amenable number.
57204120 is an abundant number, since it is smaller than the sum of its proper divisors (114408600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57204120 is a wasteful number, since it uses less digits than its factorization.
57204120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476715 (or 476711 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 57204120 is about 7563.3405318021. The cubic root of 57204120 is about 385.3089553535.
Adding to 57204120 its reverse (2140275), we get a palindrome (59344395).
The spelling of 57204120 in words is "fifty-seven million, two hundred four thousand, one hundred twenty".
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