Base | Representation |
---|---|
bin | 1100110110010… |
… | …1111111000101 |
3 | 10202102011012011 |
4 | 3031211333011 |
5 | 102244120414 |
6 | 5203054221 |
7 | 1223046412 |
oct | 315457705 |
9 | 122364164 |
10 | 53895109 |
11 | 28471214 |
12 | 16071371 |
13 | b2202c8 |
14 | 722d109 |
15 | 4ae8dc4 |
hex | 3365fc5 |
53895109 has 2 divisors, whose sum is σ = 53895110. Its totient is φ = 53895108.
The previous prime is 53895091. The next prime is 53895113. The reversal of 53895109 is 90159835.
Together with previous prime (53895091) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42185025 + 11710084 = 6495^2 + 3422^2 .
It is a cyclic number.
It is not a de Polignac number, because 53895109 - 29 = 53894597 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (53895119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26947554 + 26947555.
It is an arithmetic number, because the mean of its divisors is an integer number (26947555).
Almost surely, 253895109 is an apocalyptic number.
It is an amenable number.
53895109 is a deficient number, since it is larger than the sum of its proper divisors (1).
53895109 is an equidigital number, since it uses as much as digits as its factorization.
53895109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48600, while the sum is 40.
The square root of 53895109 is about 7341.3288306682. The cubic root of 53895109 is about 377.7314260092.
The spelling of 53895109 in words is "fifty-three million, eight hundred ninety-five thousand, one hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •