Base | Representation |
---|---|
bin | 1111001101111… |
… | …1100001111100 |
3 | 11110002220111021 |
4 | 3303133201330 |
5 | 112320031030 |
6 | 10200033524 |
7 | 1403355463 |
oct | 363374174 |
9 | 143086437 |
10 | 63830140 |
11 | 33037590 |
12 | 194628a4 |
13 | 102bb41a |
14 | 86979da |
15 | 590c97a |
hex | 3cdf87c |
63830140 has 24 divisors (see below), whose sum is σ = 146229552. Its totient is φ = 23210880.
The previous prime is 63830113. The next prime is 63830141. The reversal of 63830140 is 4103836.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63830141) 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 7 ways as a sum of consecutive naturals, for example, 144849 + ... + 145288.
It is an arithmetic number, because the mean of its divisors is an integer number (6092898).
Almost surely, 263830140 is an apocalyptic number.
It is an amenable number.
63830140 is an abundant number, since it is smaller than the sum of its proper divisors (82399412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63830140 is a wasteful number, since it uses less digits than its factorization.
63830140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290157 (or 290155 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 63830140 is about 7989.3766965890. The cubic root of 63830140 is about 399.6458114688.
Adding to 63830140 its reverse (4103836), we get a palindrome (67933976).
The spelling of 63830140 in words is "sixty-three million, eight hundred thirty thousand, one hundred forty".
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