Base | Representation |
---|---|
bin | 1101101000010… |
… | …0010101011011 |
3 | 10222120021211200 |
4 | 3122010111123 |
5 | 104113241042 |
6 | 5401125243 |
7 | 1262616144 |
oct | 332042533 |
9 | 128507750 |
10 | 57165147 |
11 | 2a2a5026 |
12 | 17189823 |
13 | bac6840 |
14 | 7840acb |
15 | 5042c4c |
hex | 368455b |
57165147 has 24 divisors (see below), whose sum is σ = 91797888. Its totient is φ = 34041600.
The previous prime is 57165133. The next prime is 57165161. The reversal of 57165147 is 74156175.
57165147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (57165133) and next prime (57165161).
It is not a de Polignac number, because 57165147 - 24 = 57165131 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57165197) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4254 + ... + 11507.
It is an arithmetic number, because the mean of its divisors is an integer number (3824912).
Almost surely, 257165147 is an apocalyptic number.
57165147 is a deficient number, since it is larger than the sum of its proper divisors (34632741).
57165147 is a wasteful number, since it uses less digits than its factorization.
57165147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15811 (or 15808 counting only the distinct ones).
The product of its digits is 29400, while the sum is 36.
The square root of 57165147 is about 7560.7636519071. The cubic root of 57165147 is about 385.2214321852.
The spelling of 57165147 in words is "fifty-seven million, one hundred sixty-five thousand, one hundred forty-seven".
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