Base | Representation |
---|---|
bin | 1001011110110… |
… | …00100100001001 |
3 | 12112122112222210 |
4 | 10233120210021 |
5 | 130324431444 |
6 | 11520335333 |
7 | 1653665421 |
oct | 457304411 |
9 | 175575883 |
10 | 79530249 |
11 | 40990287 |
12 | 22774549 |
13 | 13627626 |
14 | a7c3481 |
15 | 6eae7b9 |
hex | 4bd8909 |
79530249 has 8 divisors (see below), whose sum is σ = 106081632. Its totient is φ = 52999520.
The previous prime is 79530247. The next prime is 79530259. The reversal of 79530249 is 94203597.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 79530249 - 21 = 79530247 is a prime.
It is not an unprimeable number, because it can be changed into a prime (79530247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11614 + ... + 17144.
It is an arithmetic number, because the mean of its divisors is an integer number (13260204).
Almost surely, 279530249 is an apocalyptic number.
It is an amenable number.
79530249 is a deficient number, since it is larger than the sum of its proper divisors (26551383).
79530249 is a wasteful number, since it uses less digits than its factorization.
79530249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10327.
The product of its (nonzero) digits is 68040, while the sum is 39.
The square root of 79530249 is about 8917.9733684285. The cubic root of 79530249 is about 430.0419086610.
The spelling of 79530249 in words is "seventy-nine million, five hundred thirty thousand, two hundred forty-nine".
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