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4424989 = 22319843
BaseRepresentation
bin10000111000010100011101
322022210221111
4100320110131
52113044424
6234502021
752416562
oct20702435
98283844
104424989
112552618
121594911
13bbc14a
14832869
155c6194
hex43851d

4424989 has 4 divisors (see below), whose sum is σ = 4445056. Its totient is φ = 4404924.

The previous prime is 4424977. The next prime is 4425011. The reversal of 4424989 is 9894244.

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 4424989 - 25 = 4424957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424939) 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, 9699 + ... + 10144.

It is an arithmetic number, because the mean of its divisors is an integer number (1111264).

Almost surely, 24424989 is an apocalyptic number.

It is an amenable number.

4424989 is a deficient number, since it is larger than the sum of its proper divisors (20067).

4424989 is a wasteful number, since it uses less digits than its factorization.

4424989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20066.

The product of its digits is 82944, while the sum is 40.

The square root of 4424989 is about 2103.5657821899. The cubic root of 4424989 is about 164.1738811137.

The spelling of 4424989 in words is "four million, four hundred twenty-four thousand, nine hundred eighty-nine".

Divisors: 1 223 19843 4424989