Base | Representation |
---|---|
bin | 11111010100100… |
… | …001001111011011 |
3 | 1100121202210002000 |
4 | 133110201033123 |
5 | 2034010111411 |
6 | 124050412043 |
7 | 16010305320 |
oct | 3724411733 |
9 | 1317683060 |
10 | 525472731 |
11 | 24a685493 |
12 | 127b91023 |
13 | 84b33514 |
14 | 4db06b47 |
15 | 311ea956 |
hex | 1f5213db |
525472731 has 32 divisors (see below), whose sum is σ = 898360320. Its totient is φ = 297343872.
The previous prime is 525472709. The next prime is 525472733. The reversal of 525472731 is 137274525.
It is not a de Polignac number, because 525472731 - 25 = 525472699 is a prime.
It is a super-2 number, since 2×5254727312 = 552243182049196722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (525472733) 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 31 ways as a sum of consecutive naturals, for example, 5971 + ... + 32963.
It is an arithmetic number, because the mean of its divisors is an integer number (28073760).
Almost surely, 2525472731 is an apocalyptic number.
525472731 is a deficient number, since it is larger than the sum of its proper divisors (372887589).
525472731 is a wasteful number, since it uses less digits than its factorization.
525472731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27112 (or 27106 counting only the distinct ones).
The product of its digits is 58800, while the sum is 36.
The square root of 525472731 is about 22923.1919897732. The cubic root of 525472731 is about 806.9563829883.
It can be divided in two parts, 52547 and 2731, that added together give a triangular number (55278 = T332).
The spelling of 525472731 in words is "five hundred twenty-five million, four hundred seventy-two thousand, seven hundred thirty-one".
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