Base | Representation |
---|---|
bin | 1010001000011… |
… | …10010111110101 |
3 | 12220221010012100 |
4 | 11010032113311 |
5 | 133224243100 |
6 | 12233412313 |
7 | 2051301351 |
oct | 504162765 |
9 | 186833170 |
10 | 84993525 |
11 | 43a81991 |
12 | 2456a099 |
13 | 147bb236 |
14 | b406461 |
15 | 76dd400 |
hex | 510e5f5 |
84993525 has 18 divisors (see below), whose sum is σ = 152233250. Its totient is φ = 45329760.
The previous prime is 84993463. The next prime is 84993529. The reversal of 84993525 is 52539948.
It can be written as a sum of positive squares in 3 ways, for example, as 224676 + 84768849 = 474^2 + 9207^2 .
It is not a de Polignac number, because 84993525 - 28 = 84993269 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84993529) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 188650 + ... + 189099.
Almost surely, 284993525 is an apocalyptic number.
It is an amenable number.
84993525 is a deficient number, since it is larger than the sum of its proper divisors (67239725).
84993525 is a wasteful number, since it uses less digits than its factorization.
84993525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377765 (or 377757 counting only the distinct ones).
The product of its digits is 388800, while the sum is 45.
The square root of 84993525 is about 9219.1932944266. The cubic root of 84993525 is about 439.6718024334.
The spelling of 84993525 in words is "eighty-four million, nine hundred ninety-three thousand, five hundred twenty-five".
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