Base | Representation |
---|---|
bin | 1001011100100… |
… | …10111100100010 |
3 | 12112010001211100 |
4 | 10232102330202 |
5 | 130241320330 |
6 | 11510255230 |
7 | 1651400151 |
oct | 456227442 |
9 | 175101740 |
10 | 79245090 |
11 | 40806011 |
12 | 22657516 |
13 | 135578b2 |
14 | a74b598 |
15 | 6e55060 |
hex | 4b92f22 |
79245090 has 48 divisors (see below), whose sum is σ = 207230400. Its totient is φ = 21009696.
The previous prime is 79245053. The next prime is 79245107. The reversal of 79245090 is 9054297.
It is an unprimeable number.
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, 13651 + ... + 18569.
It is an arithmetic number, because the mean of its divisors is an integer number (4317300).
Almost surely, 279245090 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79245090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103615200).
79245090 is an abundant number, since it is smaller than the sum of its proper divisors (127985310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79245090 is a wasteful number, since it uses less digits than its factorization.
79245090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5111 (or 5108 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 79245090 is about 8901.9711300363. The cubic root of 79245090 is about 429.5273154498.
The spelling of 79245090 in words is "seventy-nine million, two hundred forty-five thousand, ninety".
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