Base | Representation |
---|---|
bin | 1001011011100… |
… | …01011111111010 |
3 | 12111212002220021 |
4 | 10231301133322 |
5 | 130222424330 |
6 | 11503321054 |
7 | 1650256555 |
oct | 455613772 |
9 | 174762807 |
10 | 79108090 |
11 | 40722096 |
12 | 225b018a |
13 | 1350a429 |
14 | a71369c |
15 | 6e2967a |
hex | 4b717fa |
79108090 has 8 divisors (see below), whose sum is σ = 142394580. Its totient is φ = 31643232.
The previous prime is 79108069. The next prime is 79108091. The reversal of 79108090 is 9080197.
It can be written as a sum of positive squares in 2 ways, for example, as 78694641 + 413449 = 8871^2 + 643^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (79108091) 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 3 ways as a sum of consecutive naturals, for example, 3955395 + ... + 3955414.
Almost surely, 279108090 is an apocalyptic number.
79108090 is a deficient number, since it is larger than the sum of its proper divisors (63286490).
79108090 is a wasteful number, since it uses less digits than its factorization.
79108090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7910816.
The product of its (nonzero) digits is 4536, while the sum is 34.
The square root of 79108090 is about 8894.2728764076. The cubic root of 79108090 is about 429.2796484308.
The spelling of 79108090 in words is "seventy-nine million, one hundred eight thousand, ninety".
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