Base | Representation |
---|---|
bin | 11111000010010… |
… | …111000100011111 |
3 | 1100021210221020101 |
4 | 133002113010133 |
5 | 2031300244404 |
6 | 123400401531 |
7 | 15621661120 |
oct | 3702270437 |
9 | 1307727211 |
10 | 520712479 |
11 | 247a23aa1 |
12 | 1264762a7 |
13 | 83b578c1 |
14 | 4d228047 |
15 | 30aaa2a4 |
hex | 1f09711f |
520712479 has 8 divisors (see below), whose sum is σ = 620974080. Its totient is φ = 426919416.
The previous prime is 520712473. The next prime is 520712503. The reversal of 520712479 is 974217025.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 520712479 - 215 = 520679711 is a prime.
It is a super-2 number, since 2×5207124792 = 542282971572650882, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520712473) 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, 1616959 + ... + 1617280.
It is an arithmetic number, because the mean of its divisors is an integer number (77621760).
Almost surely, 2520712479 is an apocalyptic number.
520712479 is a deficient number, since it is larger than the sum of its proper divisors (100261601).
520712479 is a wasteful number, since it uses less digits than its factorization.
520712479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3234269.
The product of its (nonzero) digits is 35280, while the sum is 37.
The square root of 520712479 is about 22819.1252899843. The cubic root of 520712479 is about 804.5122511169.
The spelling of 520712479 in words is "five hundred twenty million, seven hundred twelve thousand, four hundred seventy-nine".
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