Base | Representation |
---|---|
bin | 10010101001010010000001 |
3 | 100012022122020 |
4 | 102221102001 |
5 | 2222401211 |
6 | 252432053 |
7 | 56354541 |
oct | 22512201 |
9 | 10168566 |
10 | 4887681 |
11 | 2839207 |
12 | 1778629 |
13 | 1021926 |
14 | 913321 |
15 | 668306 |
hex | 4a9481 |
4887681 has 8 divisors (see below), whose sum is σ = 6668640. Its totient is φ = 3182592.
The previous prime is 4887667. The next prime is 4887683. The reversal of 4887681 is 1867884.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4887681 - 211 = 4885633 is a prime.
It is a super-2 number, since 2×48876812 = 47778851115522, which contains 22 as substring.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (4887683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18816 + ... + 19073.
It is an arithmetic number, because the mean of its divisors is an integer number (833580).
Almost surely, 24887681 is an apocalyptic number.
It is an amenable number.
4887681 is a deficient number, since it is larger than the sum of its proper divisors (1780959).
4887681 is a wasteful number, since it uses less digits than its factorization.
4887681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37935.
The product of its digits is 86016, while the sum is 42.
The square root of 4887681 is about 2210.8100325446. The cubic root of 4887681 is about 169.7074669144.
The spelling of 4887681 in words is "four million, eight hundred eighty-seven thousand, six hundred eighty-one".
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