Base | Representation |
---|---|
bin | 11111010010111… |
… | …100110100110111 |
3 | 1100120222212212200 |
4 | 133102330310313 |
5 | 2033403431211 |
6 | 124033515543 |
7 | 16003643226 |
oct | 3722746467 |
9 | 1316885780 |
10 | 525061431 |
11 | 24a424474 |
12 | 127a12bb3 |
13 | 84a1b24b |
14 | 4da3acbd |
15 | 31168b56 |
hex | 1f4bcd37 |
525061431 has 12 divisors (see below), whose sum is σ = 758657952. Its totient is φ = 349932096.
The previous prime is 525061423. The next prime is 525061441. The reversal of 525061431 is 134160525.
It is not a de Polignac number, because 525061431 - 23 = 525061423 is a prime.
It is a super-2 number, since 2×5250614312 = 551379012647535522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 525061395 and 525061404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (525061441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30610 + ... + 44576.
It is an arithmetic number, because the mean of its divisors is an integer number (63221496).
Almost surely, 2525061431 is an apocalyptic number.
525061431 is a deficient number, since it is larger than the sum of its proper divisors (233596521).
525061431 is a wasteful number, since it uses less digits than its factorization.
525061431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18150 (or 18147 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 525061431 is about 22914.2189698885. The cubic root of 525061431 is about 806.7457867169.
The spelling of 525061431 in words is "five hundred twenty-five million, sixty-one thousand, four hundred thirty-one".
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