Search a number
-
+
744089 = 7310193
BaseRepresentation
bin10110101101010011001
31101210200212
42311222121
5142302324
623540505
76216233
oct2655231
91353625
10744089
11469055
122ba735
132008b8
14155253
15ea70e
hexb5a99

744089 has 4 divisors (see below), whose sum is σ = 754356. Its totient is φ = 733824.

The previous prime is 744083. The next prime is 744113. The reversal of 744089 is 980447.

It is a happy number.

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 478864 + 265225 = 692^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 744089 - 28 = 743833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744083) 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, 5024 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (188589).

2744089 is an apocalyptic number.

It is an amenable number.

744089 is a deficient number, since it is larger than the sum of its proper divisors (10267).

744089 is a wasteful number, since it uses less digits than its factorization.

744089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10266.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 744089 is about 862.6059355233. The cubic root of 744089 is about 90.6167109343.

The spelling of 744089 in words is "seven hundred forty-four thousand, eighty-nine".

Divisors: 1 73 10193 744089