Base | Representation |
---|---|
bin | 11111010011101… |
… | …001101011001101 |
3 | 1100121100012212110 |
4 | 133103221223031 |
5 | 2033430321013 |
6 | 124041454233 |
7 | 16005336630 |
oct | 3723515315 |
9 | 1317305773 |
10 | 525245133 |
11 | 24a53a496 |
12 | 127aa1379 |
13 | 84a83a4a |
14 | 4da87c17 |
15 | 311a32c3 |
hex | 1f4e9acd |
525245133 has 8 divisors (see below), whose sum is σ = 800373568. Its totient is φ = 300140064.
The previous prime is 525245117. The next prime is 525245153. The reversal of 525245133 is 331542525.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 525245133 - 24 = 525245117 is a prime.
It is a super-4 number, since 4×5252451334 (a number of 36 digits) contains 4444 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 525245133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (525245113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12505816 + ... + 12505857.
It is an arithmetic number, because the mean of its divisors is an integer number (100046696).
Almost surely, 2525245133 is an apocalyptic number.
It is an amenable number.
525245133 is a deficient number, since it is larger than the sum of its proper divisors (275128435).
525245133 is a wasteful number, since it uses less digits than its factorization.
525245133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25011683.
The product of its digits is 18000, while the sum is 30.
The square root of 525245133 is about 22918.2270911168. The cubic root of 525245133 is about 806.8398604929.
Adding to 525245133 its reverse (331542525), we get a palindrome (856787658).
The spelling of 525245133 in words is "five hundred twenty-five million, two hundred forty-five thousand, one hundred thirty-three".
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