Base | Representation |
---|---|
bin | 101111011111011… |
… | …110010111111111 |
3 | 2001112021121201112 |
4 | 233133132113333 |
5 | 3112433430111 |
6 | 211021432235 |
7 | 25513342565 |
oct | 5737362777 |
9 | 2045247645 |
10 | 796780031 |
11 | 3798416a3 |
12 | 1a2a0b67b |
13 | c90c6398 |
14 | 77b6ba35 |
15 | 49e3ce8b |
hex | 2f7de5ff |
796780031 has 4 divisors (see below), whose sum is σ = 797280552. Its totient is φ = 796279512.
The previous prime is 796780009. The next prime is 796780051. The reversal of 796780031 is 130087697.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130087697 = 101 ⋅1287997.
It is a cyclic number.
It is not a de Polignac number, because 796780031 - 26 = 796779967 is a prime.
It is a super-2 number, since 2×7967800312 = 1269716835600721922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (796780051) 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, 247865 + ... + 251058.
It is an arithmetic number, because the mean of its divisors is an integer number (199320138).
Almost surely, 2796780031 is an apocalyptic number.
796780031 is a deficient number, since it is larger than the sum of its proper divisors (500521).
796780031 is a wasteful number, since it uses less digits than its factorization.
796780031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500520.
The product of its (nonzero) digits is 63504, while the sum is 41.
The square root of 796780031 is about 28227.2923072689. The cubic root of 796780031 is about 927.0706109588.
The spelling of 796780031 in words is "seven hundred ninety-six million, seven hundred eighty thousand, thirty-one".
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