Base | Representation |
---|---|
bin | 1101110110010… |
… | …0001001011001 |
3 | 11001021212100210 |
4 | 3131210021121 |
5 | 104332110011 |
6 | 5432521333 |
7 | 1303454634 |
oct | 335441131 |
9 | 131255323 |
10 | 58081881 |
11 | 2a870860 |
12 | 17550249 |
13 | c057ba0 |
14 | 79dcc1b |
15 | 51746a6 |
hex | 3764259 |
58081881 has 16 divisors (see below), whose sum is σ = 90982080. Its totient is φ = 32493120.
The previous prime is 58081873. The next prime is 58081883. The reversal of 58081881 is 18818085.
58081881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 58081881 - 23 = 58081873 is a prime.
It is a super-2 number, since 2×580818812 = 6747009800996322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (58081883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67266 + ... + 68123.
It is an arithmetic number, because the mean of its divisors is an integer number (5686380).
Almost surely, 258081881 is an apocalyptic number.
It is an amenable number.
58081881 is a deficient number, since it is larger than the sum of its proper divisors (32900199).
58081881 is a wasteful number, since it uses less digits than its factorization.
58081881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135416.
The product of its (nonzero) digits is 20480, while the sum is 39.
The square root of 58081881 is about 7621.1469609239. The cubic root of 58081881 is about 387.2697343019.
The spelling of 58081881 in words is "fifty-eight million, eighty-one thousand, eight hundred eighty-one".
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