Base | Representation |
---|---|
bin | 1101111011100… |
… | …1100011000001 |
3 | 11001221122012100 |
4 | 3132321203001 |
5 | 104424303211 |
6 | 5444221013 |
7 | 1306442520 |
oct | 336714301 |
9 | 131848170 |
10 | 58431681 |
11 | 2aa8a650 |
12 | 1769a769 |
13 | c14b179 |
14 | 7a904b7 |
15 | 51e3156 |
hex | 37b98c1 |
58431681 has 24 divisors (see below), whose sum is σ = 105228864. Its totient is φ = 30353760.
The previous prime is 58431679. The next prime is 58431731. The reversal of 58431681 is 18613485.
It is not a de Polignac number, because 58431681 - 21 = 58431679 is a prime.
It is a super-2 number, since 2×584316812 = 6828522688971522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (58431671) 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, 41466 + ... + 42851.
It is an arithmetic number, because the mean of its divisors is an integer number (4384536).
Almost surely, 258431681 is an apocalyptic number.
It is an amenable number.
58431681 is a deficient number, since it is larger than the sum of its proper divisors (46797183).
58431681 is a wasteful number, since it uses less digits than its factorization.
58431681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84341 (or 84338 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 58431681 is about 7644.0618129369. The cubic root of 58431681 is about 388.0456269190.
The spelling of 58431681 in words is "fifty-eight million, four hundred thirty-one thousand, six hundred eighty-one".
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