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79896673 = 109732997
BaseRepresentation
bin1001100001100…
…10000001100001
312120100011122001
410300302001201
5130423143143
611532244001
71660052623
oct460620141
9176304561
1079896673
114111060a
1222910601
131372534c
14a87ac13
15703314d
hex4c32061

79896673 has 4 divisors (see below), whose sum is σ = 80629780. Its totient is φ = 79163568.

The previous prime is 79896643. The next prime is 79896701. The reversal of 79896673 is 37669897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37669897 = 60076271.

It can be written as a sum of positive squares in 2 ways, for example, as 59166864 + 20729809 = 7692^2 + 4553^2 .

It is a cyclic number.

It is not a de Polignac number, because 79896673 - 29 = 79896161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79896643) 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, 366390 + ... + 366607.

It is an arithmetic number, because the mean of its divisors is an integer number (20157445).

Almost surely, 279896673 is an apocalyptic number.

It is an amenable number.

79896673 is a deficient number, since it is larger than the sum of its proper divisors (733107).

79896673 is a wasteful number, since it uses less digits than its factorization.

79896673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733106.

The product of its digits is 3429216, while the sum is 55.

The square root of 79896673 is about 8938.4938887936. The cubic root of 79896673 is about 430.7013486875.

The spelling of 79896673 in words is "seventy-nine million, eight hundred ninety-six thousand, six hundred seventy-three".

Divisors: 1 109 732997 79896673