Base | Representation |
---|---|
bin | 11101001101000… |
… | …100111110100101 |
3 | 1021010221221002101 |
4 | 131031010332211 |
5 | 2000412430100 |
6 | 120341412101 |
7 | 15066440515 |
oct | 3515047645 |
9 | 1233857071 |
10 | 489967525 |
11 | 231634943 |
12 | 11810a031 |
13 | 7a681818 |
14 | 49103845 |
15 | 2d03586a |
hex | 1d344fa5 |
489967525 has 12 divisors (see below), whose sum is σ = 610746624. Its totient is φ = 389918000.
The previous prime is 489967519. The next prime is 489967529. The reversal of 489967525 is 525769984.
It is a de Polignac number, because none of the positive numbers 2k-489967525 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489967529) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46531 + ... + 56080.
It is an arithmetic number, because the mean of its divisors is an integer number (50895552).
Almost surely, 2489967525 is an apocalyptic number.
It is an amenable number.
489967525 is a deficient number, since it is larger than the sum of its proper divisors (120779099).
489967525 is a wasteful number, since it uses less digits than its factorization.
489967525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102812 (or 102807 counting only the distinct ones).
The product of its digits is 5443200, while the sum is 55.
The square root of 489967525 is about 22135.2100735457. The cubic root of 489967525 is about 788.3560993067.
The spelling of 489967525 in words is "four hundred eighty-nine million, nine hundred sixty-seven thousand, five hundred twenty-five".
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