Base | Representation |
---|---|
bin | 11111000000111… |
… | …100011011101111 |
3 | 1100021010001222110 |
4 | 133000330123233 |
5 | 2031201404411 |
6 | 123344415103 |
7 | 15615553554 |
oct | 3700743357 |
9 | 1307101873 |
10 | 520341231 |
11 | 2477a0083 |
12 | 126317493 |
13 | 83a57927 |
14 | 4d16ca2b |
15 | 30a352a6 |
hex | 1f03c6ef |
520341231 has 16 divisors (see below), whose sum is σ = 716963840. Its totient is φ = 335331360.
The previous prime is 520341223. The next prime is 520341233. The reversal of 520341231 is 132143025.
It is not a de Polignac number, because 520341231 - 23 = 520341223 is a prime.
It is a super-2 number, since 2×5203412312 = 541509993357190722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 520341198 and 520341207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520341233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99090 + ... + 104208.
It is an arithmetic number, because the mean of its divisors is an integer number (44810240).
Almost surely, 2520341231 is an apocalyptic number.
520341231 is a deficient number, since it is larger than the sum of its proper divisors (196622609).
520341231 is a wasteful number, since it uses less digits than its factorization.
520341231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6246.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 520341231 is about 22810.9892595652. The cubic root of 520341231 is about 804.3210102144.
Adding to 520341231 its reverse (132143025), we get a palindrome (652484256).
The spelling of 520341231 in words is "five hundred twenty million, three hundred forty-one thousand, two hundred thirty-one".
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