Base | Representation |
---|---|
bin | 1001001100000… |
… | …1101101001110 |
3 | 2200112010220100 |
4 | 2103001231032 |
5 | 34331322113 |
6 | 3454031530 |
7 | 645413544 |
oct | 223015516 |
9 | 80463810 |
10 | 38542158 |
11 | 1a835326 |
12 | 10aa85a6 |
13 | 7ca6115 |
14 | 5193d94 |
15 | 35b4d73 |
hex | 24c1b4e |
38542158 has 24 divisors (see below), whose sum is σ = 87139728. Its totient is φ = 12288672.
The previous prime is 38542157. The next prime is 38542169. The reversal of 38542158 is 85124583.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38542157) 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, 46135 + ... + 46962.
It is an arithmetic number, because the mean of its divisors is an integer number (3630822).
Almost surely, 238542158 is an apocalyptic number.
38542158 is an abundant number, since it is smaller than the sum of its proper divisors (48597570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38542158 is a wasteful number, since it uses less digits than its factorization.
38542158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93128 (or 93125 counting only the distinct ones).
The product of its digits is 38400, while the sum is 36.
The square root of 38542158 is about 6208.2330819646. The cubic root of 38542158 is about 337.7888753071.
The spelling of 38542158 in words is "thirty-eight million, five hundred forty-two thousand, one hundred fifty-eight".
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