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745779849 = 31913083857
BaseRepresentation
bin101100011100111…
…011001010001001
31220222022112121220
4230130323022021
53011404423344
6202000352253
724324011163
oct5434731211
91828275556
10745779849
11352a78491
12189915689
13bb67a969
1471093933
1545716c19
hex2c73b289

745779849 has 8 divisors (see below), whose sum is σ = 1046708640. Its totient is φ = 471018816.

The previous prime is 745779847. The next prime is 745779869. The reversal of 745779849 is 948977547.

745779849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 745779849 - 21 = 745779847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745779792 and 745779801.

It is not an unprimeable number, because it can be changed into a prime (745779847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6541872 + ... + 6541985.

It is an arithmetic number, because the mean of its divisors is an integer number (130838580).

Almost surely, 2745779849 is an apocalyptic number.

It is an amenable number.

745779849 is a deficient number, since it is larger than the sum of its proper divisors (300928791).

745779849 is a wasteful number, since it uses less digits than its factorization.

745779849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083879.

The product of its digits is 17781120, while the sum is 60.

The square root of 745779849 is about 27308.9701197244. The cubic root of 745779849 is about 906.8529738216.

The spelling of 745779849 in words is "seven hundred forty-five million, seven hundred seventy-nine thousand, eight hundred forty-nine".

Divisors: 1 3 19 57 13083857 39251571 248593283 745779849