Base | Representation |
---|---|
bin | 11110111111101… |
… | …001010000111100 |
3 | 1100020110202200110 |
4 | 132333221100330 |
5 | 2031110004242 |
6 | 123333230020 |
7 | 15612634440 |
oct | 3677512074 |
9 | 1306422613 |
10 | 520000572 |
11 | 247588143 |
12 | 126192310 |
13 | 83968860 |
14 | 4d0c0820 |
15 | 309b939c |
hex | 1efe943c |
520000572 has 96 divisors (see below), whose sum is σ = 1541607424. Its totient is φ = 132710400.
The previous prime is 520000513. The next prime is 520000643. The reversal of 520000572 is 275000025.
It is a Harshad number since it is a multiple of its sum of digits (21).
520000572 is a modest number, since divided by 572 gives 520 as remainder.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26172 + ... + 41532.
Almost surely, 2520000572 is an apocalyptic number.
520000572 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 520000572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770803712).
520000572 is an abundant number, since it is smaller than the sum of its proper divisors (1021606852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
520000572 is a wasteful number, since it uses less digits than its factorization.
520000572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15419 (or 15417 counting only the distinct ones).
The product of its (nonzero) digits is 700, while the sum is 21.
The square root of 520000572 is about 22803.5210439090. The cubic root of 520000572 is about 804.1454465709.
Adding to 520000572 its reverse (275000025), we get a palindrome (795000597).
The spelling of 520000572 in words is "five hundred twenty million, five hundred seventy-two", and thus it is an aban number.
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