Base | Representation |
---|---|
bin | 1001011100100… |
… | …10011011111001 |
3 | 12112002221221222 |
4 | 10232102123321 |
5 | 130241234001 |
6 | 11510241425 |
7 | 1651361105 |
oct | 456223371 |
9 | 175087858 |
10 | 79243001 |
11 | 40804492 |
12 | 22656275 |
13 | 13556966 |
14 | a74a905 |
15 | 6e5461b |
hex | 4b926f9 |
79243001 has 4 divisors (see below), whose sum is σ = 83904372. Its totient is φ = 74581632.
The previous prime is 79242997. The next prime is 79243009. The reversal of 79243001 is 10034297.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 34339600 + 44903401 = 5860^2 + 6701^2 .
It is a cyclic number.
It is not a de Polignac number, because 79243001 - 22 = 79242997 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79243009) 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, 2330660 + ... + 2330693.
It is an arithmetic number, because the mean of its divisors is an integer number (20976093).
Almost surely, 279243001 is an apocalyptic number.
It is an amenable number.
79243001 is a deficient number, since it is larger than the sum of its proper divisors (4661371).
79243001 is a wasteful number, since it uses less digits than its factorization.
79243001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4661370.
The product of its (nonzero) digits is 1512, while the sum is 26.
The square root of 79243001 is about 8901.8537956990. The cubic root of 79243001 is about 429.5235411237.
Adding to 79243001 its reverse (10034297), we get a palindrome (89277298).
The spelling of 79243001 in words is "seventy-nine million, two hundred forty-three thousand, one".
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