Base | Representation |
---|---|
bin | 1111111110010000… |
… | …0000110000111111 |
3 | 102001210221012011220 |
4 | 3333210000300333 |
5 | 32240113133044 |
6 | 1545242444423 |
7 | 211152154113 |
oct | 37744006077 |
9 | 12053835156 |
10 | 4287630399 |
11 | 190028a1a8 |
12 | 9b7b03713 |
13 | 5343ab210 |
14 | 2c9627743 |
15 | 1a163e019 |
hex | ff900c3f |
4287630399 has 32 divisors (see below), whose sum is σ = 6512378880. Its totient is φ = 2489211648.
The previous prime is 4287630397. The next prime is 4287630427. The reversal of 4287630399 is 9930367824.
4287630399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 654802-1.
It is not a de Polignac number, because 4287630399 - 21 = 4287630397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4287630397) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32742 + ... + 98220.
It is an arithmetic number, because the mean of its divisors is an integer number (203511840).
Almost surely, 24287630399 is an apocalyptic number.
4287630399 is a deficient number, since it is larger than the sum of its proper divisors (2224748481).
4287630399 is a wasteful number, since it uses less digits than its factorization.
4287630399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65591.
The product of its (nonzero) digits is 1959552, while the sum is 51.
The square root of 4287630399 is about 65479.9999923641. Note that the first 5 decimals coincide. The cubic root of 4287630399 is about 1624.5725612177.
The spelling of 4287630399 in words is "four billion, two hundred eighty-seven million, six hundred thirty thousand, three hundred ninety-nine".
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