Base | Representation |
---|---|
bin | 1001001111000… |
… | …1100101000101 |
3 | 2200220002212211 |
4 | 2103301211011 |
5 | 34404110440 |
6 | 3502143421 |
7 | 650161330 |
oct | 223614505 |
9 | 80802784 |
10 | 38738245 |
11 | 1a959687 |
12 | 10b81b71 |
13 | 8044450 |
14 | 5205617 |
15 | 3602eea |
hex | 24f1945 |
38738245 has 32 divisors (see below), whose sum is σ = 60238080. Its totient is φ = 23224320.
The previous prime is 38738243. The next prime is 38738267. The reversal of 38738245 is 54283783.
It is not a de Polignac number, because 38738245 - 21 = 38738243 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38738198 and 38738207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38738243) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6405 + ... + 10885.
It is an arithmetic number, because the mean of its divisors is an integer number (1882440).
Almost surely, 238738245 is an apocalyptic number.
38738245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38738245 is a deficient number, since it is larger than the sum of its proper divisors (21499835).
38738245 is a wasteful number, since it uses less digits than its factorization.
38738245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4525.
The product of its digits is 161280, while the sum is 40.
The square root of 38738245 is about 6224.0055430567. The cubic root of 38738245 is about 338.3607512273.
It can be divided in two parts, 38738 and 245, that added together give a palindrome (38983).
The spelling of 38738245 in words is "thirty-eight million, seven hundred thirty-eight thousand, two hundred forty-five".
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