Base | Representation |
---|---|
bin | 1001011100010… |
… | …01100000000001 |
3 | 12112001002202102 |
4 | 10232021200001 |
5 | 130234101101 |
6 | 11505400145 |
7 | 1651146311 |
oct | 456114001 |
9 | 175032672 |
10 | 79206401 |
11 | 40789a3a |
12 | 22639055 |
13 | 135430c1 |
14 | a73b441 |
15 | 6e4886b |
hex | 4b89801 |
79206401 has 2 divisors, whose sum is σ = 79206402. Its totient is φ = 79206400.
The previous prime is 79206371. The next prime is 79206403. The reversal of 79206401 is 10460297.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 61152400 + 18054001 = 7820^2 + 4249^2 .
It is a cyclic number.
It is not a de Polignac number, because 79206401 - 210 = 79205377 is a prime.
Together with 79206403, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (79206403) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39603200 + 39603201.
It is an arithmetic number, because the mean of its divisors is an integer number (39603201).
Almost surely, 279206401 is an apocalyptic number.
It is an amenable number.
79206401 is a deficient number, since it is larger than the sum of its proper divisors (1).
79206401 is an equidigital number, since it uses as much as digits as its factorization.
79206401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 79206401 is about 8899.7978066920. The cubic root of 79206401 is about 429.4574028641.
Adding to 79206401 its reverse (10460297), we get a palindrome (89666698).
The spelling of 79206401 in words is "seventy-nine million, two hundred six thousand, four hundred one".
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