Base | Representation |
---|---|
bin | 1100101111101… |
… | …0010100011101 |
3 | 10201120202020211 |
4 | 3023322110131 |
5 | 102141012414 |
6 | 5145412421 |
7 | 1216231612 |
oct | 313722435 |
9 | 121522224 |
10 | 53454109 |
11 | 2819a955 |
12 | 15a9a111 |
13 | b0c7667 |
14 | 7156509 |
15 | 4a5d3c4 |
hex | 32fa51d |
53454109 has 2 divisors, whose sum is σ = 53454110. Its totient is φ = 53454108.
The previous prime is 53454091. The next prime is 53454113. The reversal of 53454109 is 90145435.
Together with previous prime (53454091) 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., 38477209 + 14976900 = 6203^2 + 3870^2 .
It is a cyclic number.
It is not a de Polignac number, because 53454109 - 29 = 53453597 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (53454169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26727054 + 26727055.
It is an arithmetic number, because the mean of its divisors is an integer number (26727055).
Almost surely, 253454109 is an apocalyptic number.
It is an amenable number.
53454109 is a deficient number, since it is larger than the sum of its proper divisors (1).
53454109 is an equidigital number, since it uses as much as digits as its factorization.
53454109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 53454109 is about 7311.2317019774. The cubic root of 53454109 is about 376.6983329770.
The spelling of 53454109 in words is "fifty-three million, four hundred fifty-four thousand, one hundred nine".
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