Base | Representation |
---|---|
bin | 10010101010110100100011 |
3 | 100012122021210 |
4 | 102222310203 |
5 | 2223101422 |
6 | 252521203 |
7 | 56412120 |
oct | 22526443 |
9 | 10178253 |
10 | 4893987 |
11 | 2842a1a |
12 | 1780203 |
13 | 1024767 |
14 | 915747 |
15 | 66a10c |
hex | 4aad23 |
4893987 has 16 divisors (see below), whose sum is σ = 7496192. Its totient is φ = 2782080.
The previous prime is 4893983. The next prime is 4894031. The reversal of 4893987 is 7893984.
4893987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 4893987 - 22 = 4893983 is a prime.
It is a super-2 number, since 2×48939872 = 47902217512338, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4893983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4578 + ... + 5544.
It is an arithmetic number, because the mean of its divisors is an integer number (468512).
Almost surely, 24893987 is an apocalyptic number.
4893987 is a deficient number, since it is larger than the sum of its proper divisors (2602205).
4893987 is a wasteful number, since it uses less digits than its factorization.
4893987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1218.
The product of its digits is 435456, while the sum is 48.
The square root of 4893987 is about 2212.2357469311. The cubic root of 4893987 is about 169.7804200780.
It can be divided in two parts, 48 and 93987, that multiplied together give a square (4511376 = 21242).
The spelling of 4893987 in words is "four million, eight hundred ninety-three thousand, nine hundred eighty-seven".
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