Base | Representation |
---|---|
bin | 1101100111111… |
… | …1001000101000 |
3 | 10222112012121211 |
4 | 3121333020220 |
5 | 104112100343 |
6 | 5400442504 |
7 | 1262500066 |
oct | 331771050 |
9 | 128465554 |
10 | 57143848 |
11 | 2a290023 |
12 | 17179434 |
13 | bab9c38 |
14 | 7837036 |
15 | 503b79d |
hex | 367f228 |
57143848 has 8 divisors (see below), whose sum is σ = 107144730. Its totient is φ = 28571920.
The previous prime is 57143839. The next prime is 57143857. The reversal of 57143848 is 84834175.
It is an interprime number because it is at equal distance from previous prime (57143839) and next prime (57143857).
It can be written as a sum of positive squares in only one way, i.e., 37234404 + 19909444 = 6102^2 + 4462^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 57143848.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571483 + ... + 3571498.
Almost surely, 257143848 is an apocalyptic number.
It is an amenable number.
57143848 is a deficient number, since it is larger than the sum of its proper divisors (50000882).
57143848 is a wasteful number, since it uses less digits than its factorization.
57143848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7142987 (or 7142983 counting only the distinct ones).
The product of its digits is 107520, while the sum is 40.
The square root of 57143848 is about 7559.3549989401. The cubic root of 57143848 is about 385.1735833884.
The spelling of 57143848 in words is "fifty-seven million, one hundred forty-three thousand, eight hundred forty-eight".
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