Search a number
-
+
44444999 is a prime number
BaseRepresentation
bin1010100110001…
…0110101000111
310002122001002002
42221202311013
542334214444
64224335515
71046530154
oct251426507
9102561062
1044444999
11230a7205
1212a7459b
139291b21
145c8d22b
153d7dd4e
hex2a62d47

44444999 has 2 divisors, whose sum is σ = 44445000. Its totient is φ = 44444998.

The previous prime is 44444989. The next prime is 44445001. The reversal of 44444999 is 99944444.

44444999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44444999 - 216 = 44379463 is a prime.

It is a super-2 number, since 2×444449992 = 3950715872220002, which contains 22 as substring.

Together with 44445001, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44444969) 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 as a sum of consecutive naturals, namely, 22222499 + 22222500.

It is an arithmetic number, because the mean of its divisors is an integer number (22222500).

Almost surely, 244444999 is an apocalyptic number.

44444999 is a deficient number, since it is larger than the sum of its proper divisors (1).

44444999 is an equidigital number, since it uses as much as digits as its factorization.

44444999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 47.

The square root of 44444999 is about 6666.7082582036. The cubic root of 44444999 is about 354.2209963128.

The spelling of 44444999 in words is "forty-four million, four hundred forty-four thousand, nine hundred ninety-nine".