Base | Representation |
---|---|
bin | 11111010011111… |
… | …101001111100101 |
3 | 1100121111021211001 |
4 | 133103331033211 |
5 | 2033440402120 |
6 | 124043313301 |
7 | 16006122412 |
oct | 3723751745 |
9 | 1317437731 |
10 | 525325285 |
11 | 24a594731 |
12 | 127b1b831 |
13 | 84ab1384 |
14 | 4daa9109 |
15 | 311bbe0a |
hex | 1f4fd3e5 |
525325285 has 16 divisors (see below), whose sum is σ = 654499440. Its totient is φ = 404293120.
The previous prime is 525325271. The next prime is 525325309. The reversal of 525325285 is 582523525.
It can be written as a sum of positive squares in 8 ways, for example, as 3568321 + 521756964 = 1889^2 + 22842^2 .
It is not a de Polignac number, because 525325285 - 25 = 525325253 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34299 + ... + 47191.
It is an arithmetic number, because the mean of its divisors is an integer number (40906215).
Almost surely, 2525325285 is an apocalyptic number.
It is an amenable number.
525325285 is a deficient number, since it is larger than the sum of its proper divisors (129174155).
525325285 is a wasteful number, since it uses less digits than its factorization.
525325285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13208.
The product of its digits is 120000, while the sum is 37.
The square root of 525325285 is about 22919.9756762524. The cubic root of 525325285 is about 806.8808994511.
The spelling of 525325285 in words is "five hundred twenty-five million, three hundred twenty-five thousand, two hundred eighty-five".
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