Base | Representation |
---|---|
bin | 1111000111001… |
… | …1000100011100 |
3 | 11102021100002100 |
4 | 3301303010130 |
5 | 112211322014 |
6 | 10142325100 |
7 | 1366525332 |
oct | 361630434 |
9 | 142240070 |
10 | 63385884 |
11 | 32863831 |
12 | 19289790 |
13 | 10194153 |
14 | 85bdb52 |
15 | 5871009 |
hex | 3c7311c |
63385884 has 72 divisors (see below), whose sum is σ = 171793440. Its totient is φ = 19654272.
The previous prime is 63385879. The next prime is 63385897. The reversal of 63385884 is 48858336.
63385884 is a `hidden beast` number, since 63 + 3 + 8 + 588 + 4 = 666.
63385884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×633858842 = 8035540580922912, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 29602 + ... + 31670.
It is an arithmetic number, because the mean of its divisors is an integer number (2386020).
Almost surely, 263385884 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 63385884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85896720).
63385884 is an abundant number, since it is smaller than the sum of its proper divisors (108407556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63385884 is a wasteful number, since it uses less digits than its factorization.
63385884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2139 (or 2134 counting only the distinct ones).
The product of its digits is 552960, while the sum is 45.
The square root of 63385884 is about 7961.5252307582. The cubic root of 63385884 is about 398.7164774969.
The spelling of 63385884 in words is "sixty-three million, three hundred eighty-five thousand, eight hundred eighty-four".
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