Base | Representation |
---|---|
bin | 11111010100100… |
… | …100011100101111 |
3 | 1100121210110002200 |
4 | 133110210130233 |
5 | 2034011021441 |
6 | 124050552543 |
7 | 16010361531 |
oct | 3724443457 |
9 | 1317713080 |
10 | 525485871 |
11 | 24a694349 |
12 | 127b98753 |
13 | 84b394b1 |
14 | 4db0b851 |
15 | 311ee7b6 |
hex | 1f52472f |
525485871 has 12 divisors (see below), whose sum is σ = 759280080. Its totient is φ = 350210880.
The previous prime is 525485837. The next prime is 525485879. The reversal of 525485871 is 178584525.
525485871 is a `hidden beast` number, since 5 + 25 + 48 + 587 + 1 = 666.
It is not a de Polignac number, because 525485871 - 210 = 525484847 is a prime.
It is a super-2 number, since 2×5254858712 = 552270801241257282, which contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (525485879) by changing a digit.
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, 27735 + ... + 42663.
It is an arithmetic number, because the mean of its divisors is an integer number (63273340).
Almost surely, 2525485871 is an apocalyptic number.
525485871 is a deficient number, since it is larger than the sum of its proper divisors (233794209).
525485871 is a wasteful number, since it uses less digits than its factorization.
525485871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18846 (or 18843 counting only the distinct ones).
The product of its digits is 448000, while the sum is 45.
The square root of 525485871 is about 22923.4785972810. The cubic root of 525485871 is about 806.9631091975.
It can be divided in two parts, 5254 and 85871, that added together give a cube (91125 = 453).
The spelling of 525485871 in words is "five hundred twenty-five million, four hundred eighty-five thousand, eight hundred seventy-one".
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