Base | Representation |
---|---|
bin | 1001000101101… |
… | …01100111100101 |
3 | 12022110110111212 |
4 | 10202311213211 |
5 | 124004211011 |
6 | 11322041205 |
7 | 1614020036 |
oct | 442654745 |
9 | 168413455 |
10 | 76241381 |
11 | 3a044307 |
12 | 21649205 |
13 | 12a45658 |
14 | a1a8a8d |
15 | 6a6008b |
hex | 48b59e5 |
76241381 has 2 divisors, whose sum is σ = 76241382. Its totient is φ = 76241380.
The previous prime is 76241359. The next prime is 76241383. The reversal of 76241381 is 18314267.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66569281 + 9672100 = 8159^2 + 3110^2 .
It is an emirp because it is prime and its reverse (18314267) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 76241381 - 210 = 76240357 is a prime.
It is a super-2 number, since 2×762413812 = 11625496353574322, which contains 22 as substring.
Together with 76241383, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (76241383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38120690 + 38120691.
It is an arithmetic number, because the mean of its divisors is an integer number (38120691).
Almost surely, 276241381 is an apocalyptic number.
It is an amenable number.
76241381 is a deficient number, since it is larger than the sum of its proper divisors (1).
76241381 is an equidigital number, since it uses as much as digits as its factorization.
76241381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8064, while the sum is 32.
The square root of 76241381 is about 8731.6310618349. The cubic root of 76241381 is about 424.0303263137.
The spelling of 76241381 in words is "seventy-six million, two hundred forty-one thousand, three hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.028 sec. • engine limits •