Base | Representation |
---|---|
bin | 1000001011110… |
… | …01110110100100 |
3 | 11210012010002010 |
4 | 10011321312210 |
5 | 120034002143 |
6 | 10451314220 |
7 | 1462366602 |
oct | 405716644 |
9 | 153163063 |
10 | 68656548 |
11 | 35833754 |
12 | 1abab970 |
13 | 112bb19c |
14 | 9192872 |
15 | 6062a33 |
hex | 4179da4 |
68656548 has 24 divisors (see below), whose sum is σ = 161355040. Its totient is φ = 22720320.
The previous prime is 68656547. The next prime is 68656561. The reversal of 68656548 is 84565686.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68656497 and 68656506.
It is not an unprimeable number, because it can be changed into a prime (68656547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18913 + ... + 22248.
Almost surely, 268656548 is an apocalyptic number.
It is an amenable number.
68656548 is an abundant number, since it is smaller than the sum of its proper divisors (92698492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68656548 is a wasteful number, since it uses less digits than its factorization.
68656548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41307 (or 41305 counting only the distinct ones).
The product of its digits is 1382400, while the sum is 48.
The square root of 68656548 is about 8285.9246919098. The cubic root of 68656548 is about 409.4749336512.
The spelling of 68656548 in words is "sixty-eight million, six hundred fifty-six thousand, five hundred forty-eight".
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