Base | Representation |
---|---|
bin | 1100111101110… |
… | …0101001110001 |
3 | 10210022211221101 |
4 | 3033130221301 |
5 | 102410144134 |
6 | 5221324401 |
7 | 1230142453 |
oct | 317345161 |
9 | 123284841 |
10 | 54381169 |
11 | 28773417 |
12 | 16266701 |
13 | b36060b |
14 | 73182d3 |
15 | 4b92e14 |
hex | 33dca71 |
54381169 has 2 divisors, whose sum is σ = 54381170. Its totient is φ = 54381168.
The previous prime is 54381163. The next prime is 54381193. The reversal of 54381169 is 96118345.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 44395569 + 9985600 = 6663^2 + 3160^2 .
It is a cyclic number.
It is not a de Polignac number, because 54381169 - 215 = 54348401 is a prime.
It is a super-2 number, since 2×543811692 = 5914623083613122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (54381163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27190584 + 27190585.
It is an arithmetic number, because the mean of its divisors is an integer number (27190585).
Almost surely, 254381169 is an apocalyptic number.
It is an amenable number.
54381169 is a deficient number, since it is larger than the sum of its proper divisors (1).
54381169 is an equidigital number, since it uses as much as digits as its factorization.
54381169 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 25920, while the sum is 37.
The square root of 54381169 is about 7374.3588873881. The cubic root of 54381169 is about 378.8635692204.
The spelling of 54381169 in words is "fifty-four million, three hundred eighty-one thousand, one hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •