Base | Representation |
---|---|
bin | 1100110011010… |
… | …0101011101001 |
3 | 10202000220011121 |
4 | 3030310223221 |
5 | 102221140121 |
6 | 5154455241 |
7 | 1221245554 |
oct | 314645351 |
9 | 122026147 |
10 | 53693161 |
11 | 28343515 |
12 | 15b94521 |
13 | b17c402 |
14 | 71b969b |
15 | 4aa9141 |
hex | 3334ae9 |
53693161 has 2 divisors, whose sum is σ = 53693162. Its totient is φ = 53693160.
The previous prime is 53693141. The next prime is 53693173. The reversal of 53693161 is 16139635.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30470400 + 23222761 = 5520^2 + 4819^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53693161 is a prime.
It is not a weakly prime, because it can be changed into another prime (53693141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26846580 + 26846581.
It is an arithmetic number, because the mean of its divisors is an integer number (26846581).
Almost surely, 253693161 is an apocalyptic number.
It is an amenable number.
53693161 is a deficient number, since it is larger than the sum of its proper divisors (1).
53693161 is an equidigital number, since it uses as much as digits as its factorization.
53693161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 14580, while the sum is 34.
The square root of 53693161 is about 7327.5617363486. The cubic root of 53693161 is about 377.2590418786.
The spelling of 53693161 in words is "fifty-three million, six hundred ninety-three thousand, one hundred sixty-one".
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