Base | Representation |
---|---|
bin | 101010100010111… |
… | …0011111010100101 |
3 | 10200111020220211102 |
4 | 1111011303322211 |
5 | 10410430233400 |
6 | 353354045445 |
7 | 50243200265 |
oct | 12505637245 |
9 | 3614226742 |
10 | 1427586725 |
11 | 672921044 |
12 | 33a119885 |
13 | 1999ba196 |
14 | d78537a5 |
15 | 854e39d5 |
hex | 55173ea5 |
1427586725 has 12 divisors (see below), whose sum is σ = 1818052164. Its totient is φ = 1111201920.
The previous prime is 1427586661. The next prime is 1427586751. The reversal of 1427586725 is 5276857241.
It can be written as a sum of positive squares in 6 ways, for example, as 6522916 + 1421063809 = 2554^2 + 37697^2 .
It is not a de Polignac number, because 1427586725 - 26 = 1427586661 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1427586725.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770744 + ... + 772593.
It is an arithmetic number, because the mean of its divisors is an integer number (151504347).
Almost surely, 21427586725 is an apocalyptic number.
It is an amenable number.
1427586725 is a deficient number, since it is larger than the sum of its proper divisors (390465439).
1427586725 is a wasteful number, since it uses less digits than its factorization.
1427586725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1543384 (or 1543379 counting only the distinct ones).
The product of its digits is 940800, while the sum is 47.
The square root of 1427586725 is about 37783.4186515725. The cubic root of 1427586725 is about 1125.9890495587.
The spelling of 1427586725 in words is "one billion, four hundred twenty-seven million, five hundred eighty-six thousand, seven hundred twenty-five".
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