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744423065 = 51371086749
BaseRepresentation
bin101100010111101…
…111111010011001
31220212202121110122
4230113233322121
53011033014230
6201511323025
724306330431
oct5427577231
91825677418
10744423065
11352231081
12189380475
13bb2c4229
1470c1d2c1
1545549be5
hex2c5efe99

744423065 has 8 divisors (see below), whose sum is σ = 899829000. Its totient is φ = 591190912.

The previous prime is 744423061. The next prime is 744423133. The reversal of 744423065 is 560324447.

It can be written as a sum of positive squares in 4 ways, for example, as 85525504 + 658897561 = 9248^2 + 25669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744423065 - 22 = 744423061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (744423061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542690 + ... + 544059.

It is an arithmetic number, because the mean of its divisors is an integer number (112478625).

Almost surely, 2744423065 is an apocalyptic number.

It is an amenable number.

744423065 is a deficient number, since it is larger than the sum of its proper divisors (155405935).

744423065 is a wasteful number, since it uses less digits than its factorization.

744423065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086891.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 744423065 is about 27284.1174495346. The cubic root of 744423065 is about 906.3026994958.

The spelling of 744423065 in words is "seven hundred forty-four million, four hundred twenty-three thousand, sixty-five".

Divisors: 1 5 137 685 1086749 5433745 148884613 744423065