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798074945 = 5172552301
BaseRepresentation
bin101111100100011…
…010100001000001
32001121201102000022
4233210122201001
53113301344240
6211105303225
725530345053
oct5744324101
92047642008
10798074945
1137a546578
121a3334b15
13c945a8c5
1477dc78d3
154a0e69b5
hex2f91a841

798074945 has 12 divisors (see below), whose sum is σ = 1017340284. Its totient is φ = 600902400.

The previous prime is 798074929. The next prime is 798074947. The reversal of 798074945 is 549470897.

It can be written as a sum of positive squares in 6 ways, for example, as 22118209 + 775956736 = 4703^2 + 27856^2 .

It is not a de Polignac number, because 798074945 - 24 = 798074929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798074947) 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 in 11 ways as a sum of consecutive naturals, for example, 274706 + ... + 277595.

It is an arithmetic number, because the mean of its divisors is an integer number (84778357).

Almost surely, 2798074945 is an apocalyptic number.

It is an amenable number.

798074945 is a deficient number, since it is larger than the sum of its proper divisors (219265339).

798074945 is a wasteful number, since it uses less digits than its factorization.

798074945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552340 (or 552323 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 798074945 is about 28250.2202646280. The cubic root of 798074945 is about 927.5725591842.

The spelling of 798074945 in words is "seven hundred ninety-eight million, seventy-four thousand, nine hundred forty-five".

Divisors: 1 5 17 85 289 1445 552301 2761505 9389117 46945585 159614989 798074945