Base | Representation |
---|---|
bin | 1000001000101… |
… | …00110110001100 |
3 | 11202102002120011 |
4 | 10010110312030 |
5 | 114432232303 |
6 | 10434403004 |
7 | 1456024453 |
oct | 404246614 |
9 | 152362504 |
10 | 68242828 |
11 | 35580935 |
12 | 1aa30464 |
13 | 111a4a94 |
14 | 90c5b9a |
15 | 5ed016d |
hex | 4114d8c |
68242828 has 24 divisors (see below), whose sum is σ = 126941472. Its totient is φ = 31989504.
The previous prime is 68242799. The next prime is 68242831. The reversal of 68242828 is 82824286.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17025 + ... + 20647.
It is an arithmetic number, because the mean of its divisors is an integer number (5289228).
Almost surely, 268242828 is an apocalyptic number.
68242828 is a gapful number since it is divisible by the number (68) formed by its first and last digit.
It is an amenable number.
68242828 is a deficient number, since it is larger than the sum of its proper divisors (58698644).
68242828 is a wasteful number, since it uses less digits than its factorization.
68242828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3921 (or 3919 counting only the distinct ones).
The product of its digits is 98304, while the sum is 40.
The square root of 68242828 is about 8260.9217403387. The cubic root of 68242828 is about 408.6507860216.
The spelling of 68242828 in words is "sixty-eight million, two hundred forty-two thousand, eight hundred twenty-eight".
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