Base | Representation |
---|---|
bin | 1001000101001… |
… | …1000110010101 |
3 | 2122200010102202 |
4 | 2101103012111 |
5 | 34222322414 |
6 | 3440214245 |
7 | 641515652 |
oct | 221230625 |
9 | 78603382 |
10 | 38089109 |
11 | 1a555a03 |
12 | 1090a385 |
13 | 7b77b46 |
14 | 50b6c29 |
15 | 35259de |
hex | 2453195 |
38089109 has 2 divisors, whose sum is σ = 38089110. Its totient is φ = 38089108.
The previous prime is 38089067. The next prime is 38089141. The reversal of 38089109 is 90198083.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19624900 + 18464209 = 4430^2 + 4297^2 .
It is an emirp because it is prime and its reverse (90198083) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38089109 - 220 = 37040533 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38089159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19044554 + 19044555.
It is an arithmetic number, because the mean of its divisors is an integer number (19044555).
Almost surely, 238089109 is an apocalyptic number.
It is an amenable number.
38089109 is a deficient number, since it is larger than the sum of its proper divisors (1).
38089109 is an equidigital number, since it uses as much as digits as its factorization.
38089109 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15552, while the sum is 38.
The square root of 38089109 is about 6171.6374650493. The cubic root of 38089109 is about 336.4601269959.
The spelling of 38089109 in words is "thirty-eight million, eighty-nine thousand, one hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •