Base | Representation |
---|---|
bin | 1000001000100… |
… | …01000001100011 |
3 | 11202101022002021 |
4 | 10010101001203 |
5 | 114431232141 |
6 | 10434202311 |
7 | 1455631015 |
oct | 404210143 |
9 | 152338067 |
10 | 68227171 |
11 | 355700a1 |
12 | 1aa23397 |
13 | 1119a90c |
14 | 90c01b5 |
15 | 5eca6d1 |
hex | 4111063 |
68227171 has 4 divisors (see below), whose sum is σ = 72240552. Its totient is φ = 64213792.
The previous prime is 68227151. The next prime is 68227199. The reversal of 68227171 is 17172286.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17172286 = 2 ⋅8586143.
It is a cyclic number.
It is not a de Polignac number, because 68227171 - 29 = 68226659 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68227141) 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, 2006665 + ... + 2006698.
It is an arithmetic number, because the mean of its divisors is an integer number (18060138).
Almost surely, 268227171 is an apocalyptic number.
68227171 is a deficient number, since it is larger than the sum of its proper divisors (4013381).
68227171 is a wasteful number, since it uses less digits than its factorization.
68227171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4013380.
The product of its digits is 9408, while the sum is 34.
The square root of 68227171 is about 8259.9740314362. The cubic root of 68227171 is about 408.6195312855.
The spelling of 68227171 in words is "sixty-eight million, two hundred twenty-seven thousand, one hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •