Base | Representation |
---|---|
bin | 1100110101100… |
… | …0010001010011 |
3 | 10202022022010111 |
4 | 3031120101103 |
5 | 102240321211 |
6 | 5201542151 |
7 | 1222423546 |
oct | 315302123 |
9 | 122268114 |
10 | 53838931 |
11 | 28432a93 |
12 | 16044957 |
13 | b200873 |
14 | 721685d |
15 | 4ad7421 |
hex | 3358453 |
53838931 has 2 divisors, whose sum is σ = 53838932. Its totient is φ = 53838930.
The previous prime is 53838901. The next prime is 53838947. The reversal of 53838931 is 13983835.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 53838931 - 213 = 53830739 is a prime.
It is a super-2 number, since 2×538389312 = 5797260982445522, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (53838901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26919465 + 26919466.
It is an arithmetic number, because the mean of its divisors is an integer number (26919466).
Almost surely, 253838931 is an apocalyptic number.
53838931 is a deficient number, since it is larger than the sum of its proper divisors (1).
53838931 is an equidigital number, since it uses as much as digits as its factorization.
53838931 is an evil number, because the sum of its binary digits is even.
The product of its digits is 77760, while the sum is 40.
The square root of 53838931 is about 7337.5016865415. The cubic root of 53838931 is about 377.6001365859.
The spelling of 53838931 in words is "fifty-three million, eight hundred thirty-eight thousand, nine hundred thirty-one".
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