Base | Representation |
---|---|
bin | 1001001010011… |
… | …1110011110101 |
3 | 2200022202101201 |
4 | 2102213303311 |
5 | 34314423320 |
6 | 3451452501 |
7 | 644462362 |
oct | 222476365 |
9 | 80282351 |
10 | 38436085 |
11 | 1a772666 |
12 | 10a57131 |
13 | 7c69a5c |
14 | 5167469 |
15 | 359370a |
hex | 24a7cf5 |
38436085 has 4 divisors (see below), whose sum is σ = 46123308. Its totient is φ = 30748864.
The previous prime is 38436071. The next prime is 38436089. The reversal of 38436085 is 58063483.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19695844 + 18740241 = 4438^2 + 4329^2 .
It is a cyclic number.
It is not a de Polignac number, because 38436085 - 25 = 38436053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38436089) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3843604 + ... + 3843613.
It is an arithmetic number, because the mean of its divisors is an integer number (11530827).
Almost surely, 238436085 is an apocalyptic number.
It is an amenable number.
38436085 is a deficient number, since it is larger than the sum of its proper divisors (7687223).
38436085 is an equidigital number, since it uses as much as digits as its factorization.
38436085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7687222.
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 38436085 is about 6199.6842661542. The cubic root of 38436085 is about 337.4787110486.
The spelling of 38436085 in words is "thirty-eight million, four hundred thirty-six thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •