Base | Representation |
---|---|
bin | 100110001111… |
… | …0101011010101 |
3 | 1101201120111122 |
4 | 1030132223111 |
5 | 20113023342 |
6 | 1553413325 |
7 | 332260502 |
oct | 114365325 |
9 | 41646448 |
10 | 20048597 |
11 | 10353898 |
12 | 686a245 |
13 | 41cc59a |
14 | 293c4a9 |
15 | 1b604d2 |
hex | 131ead5 |
20048597 has 2 divisors, whose sum is σ = 20048598. Its totient is φ = 20048596.
The previous prime is 20048579. The next prime is 20048659. The reversal of 20048597 is 79584002.
It is a happy number.
Together with previous prime (20048579) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13942756 + 6105841 = 3734^2 + 2471^2 .
It is a cyclic number.
It is not a de Polignac number, because 20048597 - 26 = 20048533 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20048527) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024298 + 10024299.
It is an arithmetic number, because the mean of its divisors is an integer number (10024299).
Almost surely, 220048597 is an apocalyptic number.
It is an amenable number.
20048597 is a deficient number, since it is larger than the sum of its proper divisors (1).
20048597 is an equidigital number, since it uses as much as digits as its factorization.
20048597 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 20048597 is about 4477.5659682466. The cubic root of 20048597 is about 271.6614380834.
It can be divided in two parts, 2004 and 8597, that added together give a palindrome (10601).
The spelling of 20048597 in words is "twenty million, forty-eight thousand, five hundred ninety-seven".
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