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4894985 = 5978997
BaseRepresentation
bin10010101011000100001001
3100012200122202
4102223010021
52223114420
6252525545
756415044
oct22530411
910180582
104894985
112843747
1217808b5
131025054
14915c5b
1566a575
hex4ab109

4894985 has 4 divisors (see below), whose sum is σ = 5873988. Its totient is φ = 3915984.

The previous prime is 4894979. The next prime is 4894987. The reversal of 4894985 is 5894984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 942841 + 3952144 = 971^2 + 1988^2 .

It is a cyclic number.

It is not a de Polignac number, because 4894985 - 24 = 4894969 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4894987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489494 + ... + 489503.

It is an arithmetic number, because the mean of its divisors is an integer number (1468497).

Almost surely, 24894985 is an apocalyptic number.

It is an amenable number.

4894985 is a deficient number, since it is larger than the sum of its proper divisors (979003).

4894985 is an equidigital number, since it uses as much as digits as its factorization.

4894985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979002.

The product of its digits is 414720, while the sum is 47.

The square root of 4894985 is about 2212.4612990966. The cubic root of 4894985 is about 169.7919600448.

Subtracting 4894985 from its reverse (5894984), we obtain a palindrome (999999).

The spelling of 4894985 in words is "four million, eight hundred ninety-four thousand, nine hundred eighty-five".

Divisors: 1 5 978997 4894985