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424445089 = 1019416531
BaseRepresentation
bin11001010011001…
…000010010100001
31002120200001012111
4121103020102201
51332124220324
6110041155321
713342503145
oct3123102241
91076601174
10424445089
111a8651972
12ba18bb41
1369c20053
1440529225
15273e1794
hex194c84a1

424445089 has 4 divisors (see below), whose sum is σ = 424862640. Its totient is φ = 424027540.

The previous prime is 424445083. The next prime is 424445111. The reversal of 424445089 is 980544424.

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 424445089 - 23 = 424445081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424445081) 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 3 ways as a sum of consecutive naturals, for example, 207247 + ... + 209284.

It is an arithmetic number, because the mean of its divisors is an integer number (106215660).

Almost surely, 2424445089 is an apocalyptic number.

It is an amenable number.

424445089 is a deficient number, since it is larger than the sum of its proper divisors (417551).

424445089 is a wasteful number, since it uses less digits than its factorization.

424445089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417550.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 424445089 is about 20602.0651634733. The cubic root of 424445089 is about 751.5199333597.

The spelling of 424445089 in words is "four hundred twenty-four million, four hundred forty-five thousand, eighty-nine".

Divisors: 1 1019 416531 424445089