Base | Representation |
---|---|
bin | 1001011110100… |
… | …10110111111101 |
3 | 12112121101000112 |
4 | 10233102313331 |
5 | 130323210231 |
6 | 11520035405 |
7 | 1653540443 |
oct | 457226775 |
9 | 175541015 |
10 | 79506941 |
11 | 40974818 |
12 | 22762b65 |
13 | 13619b37 |
14 | a7b8b93 |
15 | 6ea792b |
hex | 4bd2dfd |
79506941 has 2 divisors, whose sum is σ = 79506942. Its totient is φ = 79506940.
The previous prime is 79506937. The next prime is 79506961. The reversal of 79506941 is 14960597.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 61622500 + 17884441 = 7850^2 + 4229^2 .
It is an emirp because it is prime and its reverse (14960597) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 79506941 - 22 = 79506937 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (79506961) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39753470 + 39753471.
It is an arithmetic number, because the mean of its divisors is an integer number (39753471).
Almost surely, 279506941 is an apocalyptic number.
It is an amenable number.
79506941 is a deficient number, since it is larger than the sum of its proper divisors (1).
79506941 is an equidigital number, since it uses as much as digits as its factorization.
79506941 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 79506941 is about 8916.6664735202. Note that the first 3 decimals coincide. The cubic root of 79506941 is about 429.9998936362. Note that the first 3 decimals are identical.
The spelling of 79506941 in words is "seventy-nine million, five hundred six thousand, nine hundred forty-one".
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