Base | Representation |
---|---|
bin | 1101110100100… |
… | …1000101001000 |
3 | 11001002020021200 |
4 | 3131021011020 |
5 | 104320033031 |
6 | 5430304200 |
7 | 1302513465 |
oct | 335110510 |
9 | 131066250 |
10 | 57971016 |
11 | 2a7a5534 |
12 | 174b8060 |
13 | c01959c |
14 | 79b066c |
15 | 51518e6 |
hex | 3749148 |
57971016 has 24 divisors (see below), whose sum is σ = 157005030. Its totient is φ = 19323648.
The previous prime is 57970999. The next prime is 57971021. The reversal of 57971016 is 61017975.
57971016 is a `hidden beast` number, since 579 + 71 + 0 + 16 = 666.
It can be written as a sum of positive squares in only one way, i.e., 55442916 + 2528100 = 7446^2 + 1590^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402505 + ... + 402648.
Almost surely, 257971016 is an apocalyptic number.
It is an amenable number.
57971016 is an abundant number, since it is smaller than the sum of its proper divisors (99034014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57971016 is a wasteful number, since it uses less digits than its factorization.
57971016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805165 (or 805158 counting only the distinct ones).
The product of its (nonzero) digits is 13230, while the sum is 36.
The square root of 57971016 is about 7613.8699752491. The cubic root of 57971016 is about 387.0231743028.
The spelling of 57971016 in words is "fifty-seven million, nine hundred seventy-one thousand, sixteen".
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