Base | Representation |
---|---|
bin | 11110111111110… |
… | …101000100010000 |
3 | 1100020120012222211 |
4 | 132333311010100 |
5 | 2031113031122 |
6 | 123334241504 |
7 | 15613225405 |
oct | 3677650420 |
9 | 1306505884 |
10 | 520048912 |
11 | 247610499 |
12 | 1261b6294 |
13 | 83984866 |
14 | 4d0d42ac |
15 | 309c8877 |
hex | 1eff5110 |
520048912 has 40 divisors (see below), whose sum is σ = 1051864472. Its totient is φ = 248832000.
The previous prime is 520048897. The next prime is 520048927. The reversal of 520048912 is 219840025.
It is an interprime number because it is at equal distance from previous prime (520048897) and next prime (520048927).
It can be written as a sum of positive squares in 4 ways, for example, as 217149696 + 302899216 = 14736^2 + 17404^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28912 + ... + 43312.
Almost surely, 2520048912 is an apocalyptic number.
It is an amenable number.
520048912 is an abundant number, since it is smaller than the sum of its proper divisors (531815560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520048912 is a wasteful number, since it uses less digits than its factorization.
520048912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14507 (or 14501 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 520048912 is about 22804.5809433105. The cubic root of 520048912 is about 804.1703639707.
Adding to 520048912 its reverse (219840025), we get a palindrome (739888937).
The spelling of 520048912 in words is "five hundred twenty million, forty-eight thousand, nine hundred twelve".
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