Base | Representation |
---|---|
bin | 1101100111100… |
… | …1110110110011 |
3 | 10222111002222001 |
4 | 3121321312303 |
5 | 104110402402 |
6 | 5400154431 |
7 | 1262350051 |
oct | 331716663 |
9 | 128432861 |
10 | 57122227 |
11 | 2a275858 |
12 | 17168a17 |
13 | bab0146 |
14 | 782d1d1 |
15 | 5035187 |
hex | 3679db3 |
57122227 has 8 divisors (see below), whose sum is σ = 63666000. Its totient is φ = 50932224.
The previous prime is 57122203. The next prime is 57122237. The reversal of 57122227 is 72222175.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57122227 - 219 = 56597939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 57122195 and 57122204.
It is not an unprimeable number, because it can be changed into a prime (57122237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88102 + ... + 88747.
It is an arithmetic number, because the mean of its divisors is an integer number (7958250).
Almost surely, 257122227 is an apocalyptic number.
57122227 is a deficient number, since it is larger than the sum of its proper divisors (6543773).
57122227 is a wasteful number, since it uses less digits than its factorization.
57122227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176885.
The product of its digits is 3920, while the sum is 28.
The square root of 57122227 is about 7557.9247813140. The cubic root of 57122227 is about 385.1249990475.
The spelling of 57122227 in words is "fifty-seven million, one hundred twenty-two thousand, two hundred twenty-seven".
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