Base | Representation |
---|---|
bin | 11110111111101… |
… | …010010100010000 |
3 | 1100020110222121000 |
4 | 132333222110100 |
5 | 2031110124010 |
6 | 123333302000 |
7 | 15612653133 |
oct | 3677522420 |
9 | 1306428530 |
10 | 520004880 |
11 | 2475903aa |
12 | 126194900 |
13 | 8396a7c5 |
14 | 4d0c221a |
15 | 309ba7c0 |
hex | 1efea510 |
520004880 has 80 divisors (see below), whose sum is σ = 1791135360. Its totient is φ = 138667392.
The previous prime is 520004879. The next prime is 520004897. The reversal of 520004880 is 88400025.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118212 + ... + 122531.
It is an arithmetic number, because the mean of its divisors is an integer number (22389192).
Almost surely, 2520004880 is an apocalyptic number.
It is an amenable number.
520004880 is an abundant number, since it is smaller than the sum of its proper divisors (1271130480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520004880 is a wasteful number, since it uses less digits than its factorization.
520004880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240765 (or 240753 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 520004880 is about 22803.6155028101. The cubic root of 520004880 is about 804.1476672409.
The spelling of 520004880 in words is "five hundred twenty million, four thousand, eight hundred eighty".
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