Base | Representation |
---|---|
bin | 11111001111100… |
… | …101101000110100 |
3 | 1100112100002210211 |
4 | 133033211220310 |
5 | 2033142230040 |
6 | 124002555204 |
7 | 15663312430 |
oct | 3717455064 |
9 | 1315302724 |
10 | 524180020 |
11 | 249982231 |
12 | 127668b04 |
13 | 8479ccc0 |
14 | 4d88b9c0 |
15 | 310428ea |
hex | 1f3e5a34 |
524180020 has 96 divisors (see below), whose sum is σ = 1363219200. Its totient is φ = 164865024.
The previous prime is 524180011. The next prime is 524180021. The reversal of 524180020 is 20081425.
It is a junction number, because it is equal to n+sod(n) for n = 524179973 and 524180000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (524180021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324976 + ... + 326584.
It is an arithmetic number, because the mean of its divisors is an integer number (14200200).
Almost surely, 2524180020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 524180020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681609600).
524180020 is an abundant number, since it is smaller than the sum of its proper divisors (839039180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
524180020 is a wasteful number, since it uses less digits than its factorization.
524180020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1817 (or 1815 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 524180020 is about 22894.9780519659. The cubic root of 524180020 is about 806.2941107609.
The spelling of 524180020 in words is "five hundred twenty-four million, one hundred eighty thousand, twenty".
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