Base | Representation |
---|---|
bin | 1000001100101… |
… | …10100110101111 |
3 | 11210102002122000 |
4 | 10012112212233 |
5 | 120101234234 |
6 | 10454023343 |
7 | 1463400135 |
oct | 406264657 |
9 | 153362560 |
10 | 68774319 |
11 | 35904189 |
12 | 1b047b53 |
13 | 1132c983 |
14 | 91c3755 |
15 | 6087899 |
hex | 41969af |
68774319 has 32 divisors (see below), whose sum is σ = 108672000. Its totient is φ = 42861312.
The previous prime is 68774317. The next prime is 68774323. The reversal of 68774319 is 91347786.
It is not a de Polignac number, because 68774319 - 21 = 68774317 is a prime.
It is a super-2 number, since 2×687743192 = 9459813907827522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68774311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39679 + ... + 41375.
It is an arithmetic number, because the mean of its divisors is an integer number (3396000).
Almost surely, 268774319 is an apocalyptic number.
68774319 is a deficient number, since it is larger than the sum of its proper divisors (39897681).
68774319 is a wasteful number, since it uses less digits than its factorization.
68774319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1804 (or 1798 counting only the distinct ones).
The product of its digits is 254016, while the sum is 45.
The square root of 68774319 is about 8293.0283371034. The cubic root of 68774319 is about 409.7089328156.
The spelling of 68774319 in words is "sixty-eight million, seven hundred seventy-four thousand, three hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •