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4489489 = 8395351
BaseRepresentation
bin10001001000000100010001
322110002102101
4101020010101
52122130424
6240120401
753105614
oct21100421
98402371
104489489
112597024
121606101
13c12604
1484c17b
155da344
hex448111

4489489 has 4 divisors (see below), whose sum is σ = 4495680. Its totient is φ = 4483300.

The previous prime is 4489483. The next prime is 4489493. The reversal of 4489489 is 9849844.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4489489 - 23 = 4489481 is a prime.

It is a super-2 number, since 2×44894892 = 40311022962242, which contains 22 as substring.

It is a Duffinian number.

4489489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4489481) 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, 1837 + ... + 3514.

It is an arithmetic number, because the mean of its divisors is an integer number (1123920).

Almost surely, 24489489 is an apocalyptic number.

It is an amenable number.

4489489 is a deficient number, since it is larger than the sum of its proper divisors (6191).

4489489 is an equidigital number, since it uses as much as digits as its factorization.

4489489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190.

The product of its digits is 331776, while the sum is 46.

The square root of 4489489 is about 2118.8414287058. The cubic root of 4489489 is about 164.9677194273.

The spelling of 4489489 in words is "four million, four hundred eighty-nine thousand, four hundred eighty-nine".

Divisors: 1 839 5351 4489489