Base | Representation |
---|---|
bin | 1001011011101… |
… | …00111101000001 |
3 | 12111212211022101 |
4 | 10231310331001 |
5 | 130223402431 |
6 | 11503510401 |
7 | 1650346042 |
oct | 455647501 |
9 | 174784271 |
10 | 79122241 |
11 | 40731790 |
12 | 225b8401 |
13 | 135139c3 |
14 | a7188c9 |
15 | 6e2d961 |
hex | 4b74f41 |
79122241 has 4 divisors (see below), whose sum is σ = 86315184. Its totient is φ = 71929300.
The previous prime is 79122227. The next prime is 79122259. The reversal of 79122241 is 14222197.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14222197 = 11 ⋅1292927.
It is a cyclic number.
It is not a de Polignac number, because 79122241 - 25 = 79122209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79122041) 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, 3596455 + ... + 3596476.
It is an arithmetic number, because the mean of its divisors is an integer number (21578796).
Almost surely, 279122241 is an apocalyptic number.
It is an amenable number.
79122241 is a deficient number, since it is larger than the sum of its proper divisors (7192943).
79122241 is a wasteful number, since it uses less digits than its factorization.
79122241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7192942.
The product of its digits is 2016, while the sum is 28.
The square root of 79122241 is about 8895.0683527447. The cubic root of 79122241 is about 429.3052436812.
It can be divided in two parts, 7912 and 2241, that added together give a triangular number (10153 = T142).
The spelling of 79122241 in words is "seventy-nine million, one hundred twenty-two thousand, two hundred forty-one".
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