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4867989 = 37231809
BaseRepresentation
bin10010100100011110010101
3100011022121220
4102210132111
52221233424
6252200553
756243250
oct22443625
910138556
104867989
112825435
121769159
131015989
1490a097
15662579
hex4a4795

4867989 has 8 divisors (see below), whose sum is σ = 7417920. Its totient is φ = 2781696.

The previous prime is 4867963. The next prime is 4867999. The reversal of 4867989 is 9897684.

It is a happy number.

4867989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4867989 - 25 = 4867957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4867909) 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 7 ways as a sum of consecutive naturals, for example, 115884 + ... + 115925.

It is an arithmetic number, because the mean of its divisors is an integer number (927240).

Almost surely, 24867989 is an apocalyptic number.

It is an amenable number.

4867989 is a deficient number, since it is larger than the sum of its proper divisors (2549931).

4867989 is a wasteful number, since it uses less digits than its factorization.

4867989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231819.

The product of its digits is 870912, while the sum is 51.

The square root of 4867989 is about 2206.3519664822. The cubic root of 4867989 is about 169.4792484232.

The spelling of 4867989 in words is "four million, eight hundred sixty-seven thousand, nine hundred eighty-nine".

Divisors: 1 3 7 21 231809 695427 1622663 4867989