Base | Representation |
---|---|
bin | 10110101010000… |
… | …001111101010001 |
3 | 222111020221020122 |
4 | 112222001331101 |
5 | 1234302214232 |
6 | 101415120025 |
7 | 12263640203 |
oct | 2652017521 |
9 | 874227218 |
10 | 380116817 |
11 | 185625433 |
12 | a7373015 |
13 | 6099c3c2 |
14 | 386aa773 |
15 | 23587312 |
hex | 16a81f51 |
380116817 has 2 divisors, whose sum is σ = 380116818. Its totient is φ = 380116816.
The previous prime is 380116813. The next prime is 380116853. The reversal of 380116817 is 718611083.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 380094016 + 22801 = 19496^2 + 151^2 .
It is a cyclic number.
It is not a de Polignac number, because 380116817 - 22 = 380116813 is a prime.
It is a super-2 number, since 2×3801168172 = 288977589132422978, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (380116813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190058408 + 190058409.
It is an arithmetic number, because the mean of its divisors is an integer number (190058409).
Almost surely, 2380116817 is an apocalyptic number.
It is an amenable number.
380116817 is a deficient number, since it is larger than the sum of its proper divisors (1).
380116817 is an equidigital number, since it uses as much as digits as its factorization.
380116817 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 35.
The square root of 380116817 is about 19496.5847522072. The cubic root of 380116817 is about 724.3898581264.
The spelling of 380116817 in words is "three hundred eighty million, one hundred sixteen thousand, eight hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •