Base | Representation |
---|---|
bin | 1001010010000… |
… | …0000111011010 |
3 | 2201020210100120 |
4 | 2110200013122 |
5 | 34431210413 |
6 | 3510214110 |
7 | 651614133 |
oct | 224400732 |
9 | 81223316 |
10 | 38928858 |
11 | 1aa79911 |
12 | 11054336 |
13 | 80b0137 |
14 | 5254c8a |
15 | 363e723 |
hex | 25201da |
38928858 has 16 divisors (see below), whose sum is σ = 79134816. Its totient is φ = 12763440.
The previous prime is 38928833. The next prime is 38928881. The reversal of 38928858 is 85882983.
It is a self number, because there is not a number n which added to its sum of digits gives 38928858.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52816 + ... + 53547.
It is an arithmetic number, because the mean of its divisors is an integer number (4945926).
Almost surely, 238928858 is an apocalyptic number.
38928858 is an abundant number, since it is smaller than the sum of its proper divisors (40205958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38928858 is a wasteful number, since it uses less digits than its factorization.
38928858 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106429.
The product of its digits is 1105920, while the sum is 51.
The square root of 38928858 is about 6239.2994799096. The cubic root of 38928858 is about 338.9148157456.
The spelling of 38928858 in words is "thirty-eight million, nine hundred twenty-eight thousand, eight hundred fifty-eight".
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