Base | Representation |
---|---|
bin | 11110001110111… |
… | …010010010001111 |
3 | 1022100102201012200 |
4 | 132032322102033 |
5 | 2014322201411 |
6 | 122155332543 |
7 | 15366225522 |
oct | 3616722217 |
9 | 1270381180 |
10 | 507225231 |
11 | 240351907 |
12 | 121a51153 |
13 | 81114996 |
14 | 4b516bb9 |
15 | 2e7e3e56 |
hex | 1e3ba48f |
507225231 has 12 divisors (see below), whose sum is σ = 733343208. Its totient is φ = 337834224.
The previous prime is 507225203. The next prime is 507225239. The reversal of 507225231 is 132522705.
It is not a de Polignac number, because 507225231 - 29 = 507224719 is a prime.
It is a super-2 number, since 2×5072252312 = 514554869926006722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 507225195 and 507225204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (507225239) 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, 15945 + ... + 35618.
It is an arithmetic number, because the mean of its divisors is an integer number (61111934).
Almost surely, 2507225231 is an apocalyptic number.
507225231 is a deficient number, since it is larger than the sum of its proper divisors (226117977).
507225231 is a wasteful number, since it uses less digits than its factorization.
507225231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52662 (or 52659 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 27.
The square root of 507225231 is about 22521.6613729982. The cubic root of 507225231 is about 797.5053702596.
Adding to 507225231 its reverse (132522705), we get a palindrome (639747936).
It can be divided in two parts, 5072 and 25231, that added together give a palindrome (30303).
The spelling of 507225231 in words is "five hundred seven million, two hundred twenty-five thousand, two hundred thirty-one".
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