Base | Representation |
---|---|
bin | 11111000001011… |
… | …100110110111101 |
3 | 1100021100211011111 |
4 | 133001130312331 |
5 | 2031220132140 |
6 | 123351322021 |
7 | 15616646020 |
oct | 3701346675 |
9 | 1307324144 |
10 | 520474045 |
11 | 247880943 |
12 | 126380311 |
13 | 83aa3210 |
14 | 4d1a51b7 |
15 | 30a5e7ea |
hex | 1f05cdbd |
520474045 has 64 divisors (see below), whose sum is σ = 794271744. Its totient is φ = 318689280.
The previous prime is 520474043. The next prime is 520474051. The reversal of 520474045 is 540474025.
It is not a de Polignac number, because 520474045 - 21 = 520474043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 520473998 and 520474016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (520474043) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2724900 + ... + 2725090.
It is an arithmetic number, because the mean of its divisors is an integer number (12410496).
Almost surely, 2520474045 is an apocalyptic number.
It is an amenable number.
520474045 is a deficient number, since it is larger than the sum of its proper divisors (273797699).
520474045 is a wasteful number, since it uses less digits than its factorization.
520474045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382.
The product of its (nonzero) digits is 22400, while the sum is 31.
The square root of 520474045 is about 22813.9002583951. The cubic root of 520474045 is about 804.3894371086.
The spelling of 520474045 in words is "five hundred twenty million, four hundred seventy-four thousand, forty-five".
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