Base | Representation |
---|---|
bin | 1001101101011… |
… | …11111000111011 |
3 | 12200021122012111 |
4 | 10312233320323 |
5 | 131323221140 |
6 | 12025553151 |
7 | 2006256013 |
oct | 466577073 |
9 | 180248174 |
10 | 81460795 |
11 | 41a89779 |
12 | 233457b7 |
13 | 13b52270 |
14 | ab66c43 |
15 | 72417ea |
hex | 4dafe3b |
81460795 has 16 divisors (see below), whose sum is σ = 105712992. Its totient is φ = 59904000.
The previous prime is 81460793. The next prime is 81460801. The reversal of 81460795 is 59706418.
It is not a de Polignac number, because 81460795 - 21 = 81460793 is a prime.
It is a super-2 number, since 2×814607952 = 13271722244064050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (81460793) 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, 13819 + ... + 18811.
It is an arithmetic number, because the mean of its divisors is an integer number (6607062).
Almost surely, 281460795 is an apocalyptic number.
81460795 is a deficient number, since it is larger than the sum of its proper divisors (24252197).
81460795 is a wasteful number, since it uses less digits than its factorization.
81460795 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5262.
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 81460795 is about 9025.5634173164. The cubic root of 81460795 is about 433.4937910046.
The spelling of 81460795 in words is "eighty-one million, four hundred sixty thousand, seven hundred ninety-five".
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