Base | Representation |
---|---|
bin | 1001011010101… |
… | …11011101100001 |
3 | 12111122200121022 |
4 | 10231113131201 |
5 | 130211021231 |
6 | 11501135225 |
7 | 1646333621 |
oct | 455273541 |
9 | 174580538 |
10 | 79001441 |
11 | 40659a52 |
12 | 2255a515 |
13 | 134a0a1c |
14 | a6c6881 |
15 | 6e07c7b |
hex | 4b57761 |
79001441 has 2 divisors, whose sum is σ = 79001442. Its totient is φ = 79001440.
The previous prime is 79001437. The next prime is 79001443. The reversal of 79001441 is 14410097.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 63760225 + 15241216 = 7985^2 + 3904^2 .
It is a cyclic number.
It is not a de Polignac number, because 79001441 - 22 = 79001437 is a prime.
It is a Sophie Germain prime.
Together with 79001443, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 79001441.
It is not a weakly prime, because it can be changed into another prime (79001443) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500720 + 39500721.
It is an arithmetic number, because the mean of its divisors is an integer number (39500721).
Almost surely, 279001441 is an apocalyptic number.
It is an amenable number.
79001441 is a deficient number, since it is larger than the sum of its proper divisors (1).
79001441 is an equidigital number, since it uses as much as digits as its factorization.
79001441 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 79001441 is about 8888.2754795292. The cubic root of 79001441 is about 429.0866515902.
The spelling of 79001441 in words is "seventy-nine million, one thousand, four hundred forty-one".
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