Base | Representation |
---|---|
bin | 1000001101101… |
… | …10000111011000 |
3 | 11210122122200012 |
4 | 10012312013120 |
5 | 120114402014 |
6 | 10500501052 |
7 | 1464445334 |
oct | 406660730 |
9 | 153578605 |
10 | 68903384 |
11 | 35992150 |
12 | 1b0aa788 |
13 | 11376644 |
14 | 92187c4 |
15 | 60b0c3e |
hex | 41b61d8 |
68903384 has 16 divisors (see below), whose sum is σ = 140938920. Its totient is φ = 31319680.
The previous prime is 68903381. The next prime is 68903413. The reversal of 68903384 is 48330986.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68903381) 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, 391409 + ... + 391584.
Almost surely, 268903384 is an apocalyptic number.
It is an amenable number.
68903384 is an abundant number, since it is smaller than the sum of its proper divisors (72035536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68903384 is a wasteful number, since it uses less digits than its factorization.
68903384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 783010 (or 783006 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 41.
The square root of 68903384 is about 8300.8062259036. The cubic root of 68903384 is about 409.9650654351.
The spelling of 68903384 in words is "sixty-eight million, nine hundred three thousand, three hundred eighty-four".
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