Base | Representation |
---|---|
bin | 1101111100101… |
… | …0001110110010 |
3 | 11002002002221100 |
4 | 3133022032302 |
5 | 104434000033 |
6 | 5445505230 |
7 | 1310145663 |
oct | 337121662 |
9 | 132062840 |
10 | 58500018 |
11 | 30026a25 |
12 | 17712216 |
13 | c1732c5 |
14 | 7aab36a |
15 | 5208513 |
hex | 37ca3b2 |
58500018 has 24 divisors (see below), whose sum is σ = 131121900. Its totient is φ = 18827424.
The previous prime is 58500011. The next prime is 58500019. The reversal of 58500018 is 81000585.
It can be written as a sum of positive squares in 2 ways, for example, as 58476609 + 23409 = 7647^2 + 153^2 .
It is a junction number, because it is equal to n+sod(n) for n = 58499964 and 58500000.
It is not an unprimeable number, because it can be changed into a prime (58500011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55513 + ... + 56556.
Almost surely, 258500018 is an apocalyptic number.
58500018 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
58500018 is an abundant number, since it is smaller than the sum of its proper divisors (72621882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
58500018 is a wasteful number, since it uses less digits than its factorization.
58500018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112106 (or 112103 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The square root of 58500018 is about 7648.5304470859. The cubic root of 58500018 is about 388.1968436479.
The spelling of 58500018 in words is "fifty-eight million, five hundred thousand, eighteen".
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