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444090929 = 974578257
BaseRepresentation
bin11010011110000…
…100101000110001
31010221122011020012
4122132010220301
51402141402204
6112022224305
714001465512
oct3236045061
91127564205
10444090929
112087500a7
12104885095
137100b1c9
1442da0a09
1528ec276e
hex1a784a31

444090929 has 4 divisors (see below), whose sum is σ = 448669284. Its totient is φ = 439512576.

The previous prime is 444090883. The next prime is 444090931. The reversal of 444090929 is 929090444.

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 202350625 + 241740304 = 14225^2 + 15548^2 .

It is a cyclic number.

It is not a de Polignac number, because 444090929 - 212 = 444086833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (444090979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289032 + ... + 2289225.

It is an arithmetic number, because the mean of its divisors is an integer number (112167321).

Almost surely, 2444090929 is an apocalyptic number.

It is an amenable number.

444090929 is a deficient number, since it is larger than the sum of its proper divisors (4578355).

444090929 is an equidigital number, since it uses as much as digits as its factorization.

444090929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578354.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 444090929 is about 21073.4650449327. The cubic root of 444090929 is about 762.9404376161.

The spelling of 444090929 in words is "four hundred forty-four million, ninety thousand, nine hundred twenty-nine".

Divisors: 1 97 4578257 444090929