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744442249 = 1939181171
BaseRepresentation
bin101100010111110…
…100100110001001
31220212210120210011
4230113310212021
53011034122444
6201511551521
724306440365
oct5427644611
91825716704
10744442249
11352244531
1218938b5a1
13bb2ccb95
1470c262a5
1545550734
hex2c5f4989

744442249 has 4 divisors (see below), whose sum is σ = 783623440. Its totient is φ = 705261060.

The previous prime is 744442243. The next prime is 744442261. The reversal of 744442249 is 942244447.

744442249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 744442249 - 23 = 744442241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744442241) 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, 19590567 + ... + 19590604.

It is an arithmetic number, because the mean of its divisors is an integer number (195905860).

Almost surely, 2744442249 is an apocalyptic number.

It is an amenable number.

744442249 is a deficient number, since it is larger than the sum of its proper divisors (39181191).

744442249 is a wasteful number, since it uses less digits than its factorization.

744442249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39181190.

The product of its digits is 258048, while the sum is 40.

The square root of 744442249 is about 27284.4690071110. The cubic root of 744442249 is about 906.3104846575.

The spelling of 744442249 in words is "seven hundred forty-four million, four hundred forty-two thousand, two hundred forty-nine".

Divisors: 1 19 39181171 744442249