Base | Representation |
---|---|
bin | 1001000011111… |
… | …1110011111001 |
3 | 2122112010001200 |
4 | 2100333303321 |
5 | 34212310410 |
6 | 3434404413 |
7 | 641036430 |
oct | 220776371 |
9 | 78463050 |
10 | 38010105 |
11 | 1a501611 |
12 | 10890709 |
13 | 7b4abb3 |
14 | 5096117 |
15 | 350c3c0 |
hex | 243fcf9 |
38010105 has 48 divisors (see below), whose sum is σ = 76462464. Its totient is φ = 17107200.
The previous prime is 38010103. The next prime is 38010121. The reversal of 38010105 is 50101083.
It is a happy number.
It is not a de Polignac number, because 38010105 - 21 = 38010103 is a prime.
It is a super-2 number, since 2×380101052 = 2889536164222050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38010103) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20205 + ... + 22005.
It is an arithmetic number, because the mean of its divisors is an integer number (1592968).
Almost surely, 238010105 is an apocalyptic number.
38010105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38010105 is an abundant number, since it is smaller than the sum of its proper divisors (38452359).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38010105 is a wasteful number, since it uses less digits than its factorization.
38010105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1886 (or 1883 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 38010105 is about 6165.2335722177. The cubic root of 38010105 is about 336.2273387067.
Adding to 38010105 its reverse (50101083), we get a palindrome (88111188).
It can be divided in two parts, 3 and 8010105, that added together give a palindrome (8010108).
The spelling of 38010105 in words is "thirty-eight million, ten thousand, one hundred five".
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