Base | Representation |
---|---|
bin | 1001011100100… |
… | …10101101100011 |
3 | 12112010000111211 |
4 | 10232102231203 |
5 | 130241303011 |
6 | 11510250551 |
7 | 1651364311 |
oct | 456225543 |
9 | 175100454 |
10 | 79244131 |
11 | 4080531a |
12 | 22656a57 |
13 | 13557325 |
14 | a74b0b1 |
15 | 6e54b21 |
hex | 4b92b63 |
79244131 has 4 divisors (see below), whose sum is σ = 82689552. Its totient is φ = 75798712.
The previous prime is 79244119. The next prime is 79244149. The reversal of 79244131 is 13144297.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 79244131 - 217 = 79113059 is a prime.
It is a super-2 number, since 2×792441312 = 12559264595890322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 79244093 and 79244102.
It is not an unprimeable number, because it can be changed into a prime (79244101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722676 + ... + 1722721.
It is an arithmetic number, because the mean of its divisors is an integer number (20672388).
Almost surely, 279244131 is an apocalyptic number.
79244131 is a deficient number, since it is larger than the sum of its proper divisors (3445421).
79244131 is a wasteful number, since it uses less digits than its factorization.
79244131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3445420.
The product of its digits is 6048, while the sum is 31.
The square root of 79244131 is about 8901.9172653985. The cubic root of 79244131 is about 429.5255827732.
The spelling of 79244131 in words is "seventy-nine million, two hundred forty-four thousand, one hundred thirty-one".
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