Base | Representation |
---|---|
bin | 1101011001100… |
… | …0101101010011 |
3 | 10220202020221012 |
4 | 3112120231103 |
5 | 103341400034 |
6 | 5324321135 |
7 | 1251456311 |
oct | 326305523 |
9 | 126666835 |
10 | 56200019 |
11 | 297a59a7 |
12 | 169a31ab |
13 | b849465 |
14 | 766d0b1 |
15 | 4e01cce |
hex | 3598b53 |
56200019 has 2 divisors, whose sum is σ = 56200020. Its totient is φ = 56200018.
The previous prime is 56200013. The next prime is 56200021. The reversal of 56200019 is 91000265.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 56200019 - 216 = 56134483 is a prime.
It is a super-2 number, since 2×562000192 = 6316884271200722, which contains 22 as substring.
Together with 56200021, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 56199967 and 56200003.
It is not a weakly prime, because it can be changed into another prime (56200013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28100009 + 28100010.
It is an arithmetic number, because the mean of its divisors is an integer number (28100010).
Almost surely, 256200019 is an apocalyptic number.
56200019 is a deficient number, since it is larger than the sum of its proper divisors (1).
56200019 is an equidigital number, since it uses as much as digits as its factorization.
56200019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 56200019 is about 7496.6671928264. The cubic root of 56200019 is about 383.0411983851.
The spelling of 56200019 in words is "fifty-six million, two hundred thousand, nineteen".
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