Base | Representation |
---|---|
bin | 1101101100101… |
… | …0110111011111 |
3 | 11000002222010200 |
4 | 3123022313133 |
5 | 104202012142 |
6 | 5411234543 |
7 | 1265231340 |
oct | 333126737 |
9 | 130088120 |
10 | 57454047 |
11 | 2a482092 |
12 | 172a8a53 |
13 | bb981a1 |
14 | 78b80c7 |
15 | 509d64c |
hex | 36caddf |
57454047 has 12 divisors (see below), whose sum is σ = 94844880. Its totient is φ = 32830848.
The previous prime is 57454027. The next prime is 57454049. The reversal of 57454047 is 74045475.
57454047 is a `hidden beast` number, since 5 + 74 + 540 + 47 = 666.
It is not a de Polignac number, because 57454047 - 26 = 57453983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57454049) 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, 455922 + ... + 456047.
It is an arithmetic number, because the mean of its divisors is an integer number (7903740).
Almost surely, 257454047 is an apocalyptic number.
57454047 is a deficient number, since it is larger than the sum of its proper divisors (37390833).
57454047 is a wasteful number, since it uses less digits than its factorization.
57454047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 911982 (or 911979 counting only the distinct ones).
The product of its (nonzero) digits is 78400, while the sum is 36.
The square root of 57454047 is about 7579.8447873291. The cubic root of 57454047 is about 385.8692833268.
The spelling of 57454047 in words is "fifty-seven million, four hundred fifty-four thousand, forty-seven".
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