Base | Representation |
---|---|
bin | 1100110101100… |
… | …1000001100100 |
3 | 10202022110100220 |
4 | 3031121001210 |
5 | 102240421040 |
6 | 5202004340 |
7 | 1222435551 |
oct | 315310144 |
9 | 122273326 |
10 | 53842020 |
11 | 28435341 |
12 | 160466b0 |
13 | b2020ab |
14 | 7217a28 |
15 | 4ad82d0 |
hex | 3359064 |
53842020 has 96 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 13655040.
The previous prime is 53842007. The next prime is 53842039. The reversal of 53842020 is 2024835.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105526 + ... + 106034.
It is an arithmetic number, because the mean of its divisors is an integer number (1649340).
Almost surely, 253842020 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 53842020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79168320).
53842020 is an abundant number, since it is smaller than the sum of its proper divisors (104494620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53842020 is a wasteful number, since it uses less digits than its factorization.
53842020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605 (or 603 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 53842020 is about 7337.7121775115. The cubic root of 53842020 is about 377.6073580302.
Adding to 53842020 its reverse (2024835), we get a palindrome (55866855).
The spelling of 53842020 in words is "fifty-three million, eight hundred forty-two thousand, twenty".
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