Base | Representation |
---|---|
bin | 1101100110001… |
… | …0111010001011 |
3 | 10222022100000212 |
4 | 3121202322023 |
5 | 104044400420 |
6 | 5354151335 |
7 | 1261506035 |
oct | 331427213 |
9 | 128270025 |
10 | 57028235 |
11 | 2a211180 |
12 | 1712254b |
13 | ba79424 |
14 | 7806c55 |
15 | 50173c5 |
hex | 3662e8b |
57028235 has 8 divisors (see below), whose sum is σ = 74655216. Its totient is φ = 41475040.
The previous prime is 57028199. The next prime is 57028241. The reversal of 57028235 is 53282075.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57028235 - 222 = 52833931 is a prime.
It is a Duffinian 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, 518384 + ... + 518493.
It is an arithmetic number, because the mean of its divisors is an integer number (9331902).
Almost surely, 257028235 is an apocalyptic number.
57028235 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
57028235 is a deficient number, since it is larger than the sum of its proper divisors (17626981).
57028235 is a wasteful number, since it uses less digits than its factorization.
57028235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1036893.
The product of its (nonzero) digits is 16800, while the sum is 32.
The square root of 57028235 is about 7551.7041123180. The cubic root of 57028235 is about 384.9136479185.
The spelling of 57028235 in words is "fifty-seven million, twenty-eight thousand, two hundred thirty-five".
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