Base | Representation |
---|---|
bin | 1101101000000… |
… | …0001010000101 |
3 | 10222112102100222 |
4 | 3122000022011 |
5 | 104112214122 |
6 | 5400514125 |
7 | 1262515232 |
oct | 332001205 |
9 | 128472328 |
10 | 57148037 |
11 | 2a293191 |
12 | 1717b945 |
13 | babbb0b |
14 | 7838789 |
15 | 503cb42 |
hex | 3680285 |
57148037 has 2 divisors, whose sum is σ = 57148038. Its totient is φ = 57148036.
The previous prime is 57148019. The next prime is 57148051. The reversal of 57148037 is 73084175.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 55368481 + 1779556 = 7441^2 + 1334^2 .
It is a cyclic number.
It is not a de Polignac number, because 57148037 - 212 = 57143941 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 57147988 and 57148006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57148087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28574018 + 28574019.
It is an arithmetic number, because the mean of its divisors is an integer number (28574019).
Almost surely, 257148037 is an apocalyptic number.
It is an amenable number.
57148037 is a deficient number, since it is larger than the sum of its proper divisors (1).
57148037 is an equidigital number, since it uses as much as digits as its factorization.
57148037 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 57148037 is about 7559.6320677663. The cubic root of 57148037 is about 385.1829950327.
The spelling of 57148037 in words is "fifty-seven million, one hundred forty-eight thousand, thirty-seven".
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