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4893987 = 37241967
BaseRepresentation
bin10010101010110100100011
3100012122021210
4102222310203
52223101422
6252521203
756412120
oct22526443
910178253
104893987
112842a1a
121780203
131024767
14915747
1566a10c
hex4aad23

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".

Divisors: 1 3 7 21 241 723 967 1687 2901 5061 6769 20307 233047 699141 1631329 4893987