Base | Representation |
---|---|
bin | 1001011100000… |
… | …11100100000001 |
3 | 12111222212101200 |
4 | 10232003210001 |
5 | 130232311311 |
6 | 11505051413 |
7 | 1651015356 |
oct | 456034401 |
9 | 174885350 |
10 | 79182081 |
11 | 40772740 |
12 | 22626b69 |
13 | 13535004 |
14 | a73262d |
15 | 6e41556 |
hex | 4b83901 |
79182081 has 24 divisors (see below), whose sum is σ = 126023040. Its totient is φ = 47508000.
The previous prime is 79182067. The next prime is 79182121. The reversal of 79182081 is 18028197.
It is not a de Polignac number, because 79182081 - 210 = 79181057 is a prime.
It is a super-2 number, since 2×791820812 = 12539603902981122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (79182011) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6040 + ... + 13958.
It is an arithmetic number, because the mean of its divisors is an integer number (5250960).
Almost surely, 279182081 is an apocalyptic number.
It is an amenable number.
79182081 is a deficient number, since it is larger than the sum of its proper divisors (46840959).
79182081 is a wasteful number, since it uses less digits than its factorization.
79182081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8037 (or 8034 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 36.
The square root of 79182081 is about 8898.4313786195. The cubic root of 79182081 is about 429.4134439876.
It can be divided in two parts, 7918 and 2081, that added together give a palindrome (9999).
The spelling of 79182081 in words is "seventy-nine million, one hundred eighty-two thousand, eighty-one".
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