Base | Representation |
---|---|
bin | 1111000101001… |
… | …0011111000100 |
3 | 11102000120000020 |
4 | 3301102133010 |
5 | 112143034140 |
6 | 10135415140 |
7 | 1365431250 |
oct | 361223704 |
9 | 142016006 |
10 | 63252420 |
11 | 32782530 |
12 | 192244b0 |
13 | 1014848a |
14 | 8587260 |
15 | 58466d0 |
hex | 3c527c4 |
63252420 has 96 divisors (see below), whose sum is σ = 220824576. Its totient is φ = 13142400.
The previous prime is 63252401. The next prime is 63252421. The reversal of 63252420 is 2425236.
63252420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (63252421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2226 + ... + 11465.
It is an arithmetic number, because the mean of its divisors is an integer number (2300256).
Almost surely, 263252420 is an apocalyptic number.
63252420 is a gapful number since it is divisible by the number (60) 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 63252420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110412288).
63252420 is an abundant number, since it is smaller than the sum of its proper divisors (157572156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63252420 is a wasteful number, since it uses less digits than its factorization.
63252420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13721 (or 13719 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 63252420 is about 7953.1390029346. The cubic root of 63252420 is about 398.4364378134.
Adding to 63252420 its reverse (2425236), we get a palindrome (65677656).
The spelling of 63252420 in words is "sixty-three million, two hundred fifty-two thousand, four hundred twenty".
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