Base | Representation |
---|---|
bin | 1000001101100… |
… | …10100111100100 |
3 | 11210121221000200 |
4 | 10012302213210 |
5 | 120113422220 |
6 | 10500310500 |
7 | 1464355512 |
oct | 406624744 |
9 | 153557020 |
10 | 68889060 |
11 | 35982409 |
12 | 1b0a2430 |
13 | 1136cc76 |
14 | 92134b2 |
15 | 60ab890 |
hex | 41b29e4 |
68889060 has 72 divisors (see below), whose sum is σ = 219972480. Its totient is φ = 17402688.
The previous prime is 68889059. The next prime is 68889077. The reversal of 68889060 is 6098886.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 68888997 and 68889015.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6652 + ... + 13491.
Almost surely, 268889060 is an apocalyptic number.
68889060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68889060 is an abundant number, since it is smaller than the sum of its proper divisors (151083420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68889060 is a wasteful number, since it uses less digits than its factorization.
68889060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20177 (or 20172 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 68889060 is about 8299.9433733008. The cubic root of 68889060 is about 409.9366548974.
The spelling of 68889060 in words is "sixty-eight million, eight hundred eighty-nine thousand, sixty".
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