Base | Representation |
---|---|
bin | 1001100000110… |
… | …10101001000001 |
3 | 12120011022020210 |
4 | 10300122221001 |
5 | 130412112042 |
6 | 11530224333 |
7 | 1656203451 |
oct | 460325101 |
9 | 176138223 |
10 | 79800897 |
11 | 41055660 |
12 | 228850a9 |
13 | 136c0887 |
14 | a853d61 |
15 | 7014a9c |
hex | 4c1aa41 |
79800897 has 16 divisors (see below), whose sum is σ = 119212992. Its totient is φ = 47056320.
The previous prime is 79800887. The next prime is 79800901.
79800897 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 79800897 - 28 = 79800641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (79800827) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31458 + ... + 33899.
It is an arithmetic number, because the mean of its divisors is an integer number (7450812).
Almost surely, 279800897 is an apocalyptic number.
It is an amenable number.
79800897 is a deficient number, since it is larger than the sum of its proper divisors (39412095).
79800897 is a wasteful number, since it uses less digits than its factorization.
79800897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65408.
The product of its (nonzero) digits is 254016, while the sum is 48.
The square root of 79800897 is about 8933.1347801318. The cubic root of 79800897 is about 430.5291790383.
The spelling of 79800897 in words is "seventy-nine million, eight hundred thousand, eight hundred ninety-seven".
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