Base | Representation |
---|---|
bin | 1001000111011… |
… | …1101100110101 |
3 | 2122221202002100 |
4 | 2101313230311 |
5 | 34242122104 |
6 | 3443332313 |
7 | 643012023 |
oct | 221675465 |
9 | 78852070 |
10 | 38239029 |
11 | 1a648604 |
12 | 10981099 |
13 | 7bcb15a |
14 | 5115713 |
15 | 3555139 |
hex | 2477b35 |
38239029 has 12 divisors (see below), whose sum is σ = 55639116. Its totient is φ = 25305792.
The previous prime is 38239007. The next prime is 38239037. The reversal of 38239029 is 92093283.
It can be written as a sum of positive squares in 2 ways, for example, as 7436529 + 30802500 = 2727^2 + 5550^2 .
It is not a de Polignac number, because 38239029 - 213 = 38230837 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38238984 and 38239002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38239099) 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, 14274 + ... + 16739.
It is an arithmetic number, because the mean of its divisors is an integer number (4636593).
Almost surely, 238239029 is an apocalyptic number.
It is an amenable number.
38239029 is a deficient number, since it is larger than the sum of its proper divisors (17400087).
38239029 is a wasteful number, since it uses less digits than its factorization.
38239029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31156 (or 31153 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The square root of 38239029 is about 6183.7714220369. The cubic root of 38239029 is about 336.9009885029.
The spelling of 38239029 in words is "thirty-eight million, two hundred thirty-nine thousand, twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •