Base | Representation |
---|---|
bin | 1000000111101… |
… | …01000000001110 |
3 | 11202011110122102 |
4 | 10003311000032 |
5 | 114414044043 |
6 | 10431515102 |
7 | 1454642264 |
oct | 403650016 |
9 | 152143572 |
10 | 68112398 |
11 | 354a1942 |
12 | 1a988a92 |
13 | 1115a5c3 |
14 | 9090434 |
15 | 5ea66b8 |
hex | 40f500e |
68112398 has 8 divisors (see below), whose sum is σ = 104660640. Its totient is φ = 33225520.
The previous prime is 68112391. The next prime is 68112413. The reversal of 68112398 is 89321186.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×681123982 = 9278597522620808, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68112391) 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, 415238 + ... + 415401.
It is an arithmetic number, because the mean of its divisors is an integer number (13082580).
Almost surely, 268112398 is an apocalyptic number.
68112398 is a deficient number, since it is larger than the sum of its proper divisors (36548242).
68112398 is a wasteful number, since it uses less digits than its factorization.
68112398 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830682.
The product of its digits is 20736, while the sum is 38.
The square root of 68112398 is about 8253.0235671540. The cubic root of 68112398 is about 408.3902735904.
The spelling of 68112398 in words is "sixty-eight million, one hundred twelve thousand, three hundred ninety-eight".
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