Base | Representation |
---|---|
bin | 1001011011100… |
… | …01011111111001 |
3 | 12111212002220020 |
4 | 10231301133321 |
5 | 130222424324 |
6 | 11503321053 |
7 | 1650256554 |
oct | 455613771 |
9 | 174762806 |
10 | 79108089 |
11 | 40722095 |
12 | 225b0189 |
13 | 1350a428 |
14 | a71369b |
15 | 6e29679 |
hex | 4b717f9 |
79108089 has 16 divisors (see below), whose sum is σ = 114282432. Its totient is φ = 48480768.
The previous prime is 79108069. The next prime is 79108091. The reversal of 79108089 is 98080197.
It is not a de Polignac number, because 79108089 - 212 = 79103993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 79108089.
It is not an unprimeable number, because it can be changed into a prime (79108069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15844 + ... + 20229.
It is an arithmetic number, because the mean of its divisors is an integer number (7142652).
Almost surely, 279108089 is an apocalyptic number.
It is an amenable number.
79108089 is a deficient number, since it is larger than the sum of its proper divisors (35174343).
79108089 is a wasteful number, since it uses less digits than its factorization.
79108089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36136.
The product of its (nonzero) digits is 36288, while the sum is 42.
The square root of 79108089 is about 8894.2728201917. The cubic root of 79108089 is about 429.2796466220.
The spelling of 79108089 in words is "seventy-nine million, one hundred eight thousand, eighty-nine".
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