Base | Representation |
---|---|
bin | 1001011111111… |
… | …01000000000101 |
3 | 12112221010201100 |
4 | 10233331000011 |
5 | 130344220433 |
6 | 11523450313 |
7 | 1655156505 |
oct | 457750005 |
9 | 175833640 |
10 | 79679493 |
11 | 40a82423 |
12 | 22826999 |
13 | 1367a53a |
14 | a821a05 |
15 | 6eddb13 |
hex | 4bfd005 |
79679493 has 24 divisors (see below), whose sum is σ = 122428800. Its totient is φ = 49762944.
The previous prime is 79679491. The next prime is 79679503. The reversal of 79679493 is 39497697.
It is not a de Polignac number, because 79679493 - 21 = 79679491 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79679491) 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 23 ways as a sum of consecutive naturals, for example, 35478 + ... + 37656.
It is an arithmetic number, because the mean of its divisors is an integer number (5101200).
Almost surely, 279679493 is an apocalyptic number.
It is an amenable number.
79679493 is a deficient number, since it is larger than the sum of its proper divisors (42749307).
79679493 is a wasteful number, since it uses less digits than its factorization.
79679493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2441 (or 2438 counting only the distinct ones).
The product of its digits is 2571912, while the sum is 54.
The square root of 79679493 is about 8926.3370427068. The cubic root of 79679493 is about 430.3107416749.
The spelling of 79679493 in words is "seventy-nine million, six hundred seventy-nine thousand, four hundred ninety-three".
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