Base | Representation |
---|---|
bin | 1001011011011… |
… | …00000101000110 |
3 | 12111210222110012 |
4 | 10231230011012 |
5 | 130221222034 |
6 | 11503030222 |
7 | 1650135056 |
oct | 455540506 |
9 | 174728405 |
10 | 79085894 |
11 | 40707448 |
12 | 2259b372 |
13 | 135002b4 |
14 | a709566 |
15 | 6e22cce |
hex | 4b6c146 |
79085894 has 4 divisors (see below), whose sum is σ = 118628844. Its totient is φ = 39542946.
The previous prime is 79085893. The next prime is 79085899. The reversal of 79085894 is 49858097.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49858097 = 97 ⋅514001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79085893) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19771472 + ... + 19771475.
It is an arithmetic number, because the mean of its divisors is an integer number (29657211).
Almost surely, 279085894 is an apocalyptic number.
79085894 is a deficient number, since it is larger than the sum of its proper divisors (39542950).
79085894 is a wasteful number, since it uses less digits than its factorization.
79085894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39542949.
The product of its (nonzero) digits is 725760, while the sum is 50.
The square root of 79085894 is about 8893.0250196432. The cubic root of 79085894 is about 429.2394958482.
The spelling of 79085894 in words is "seventy-nine million, eighty-five thousand, eight hundred ninety-four".
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