Base | Representation |
---|---|
bin | 1000001100111… |
… | …01110001101011 |
3 | 11210110120220212 |
4 | 10012131301223 |
5 | 120103204231 |
6 | 10454411335 |
7 | 1463551565 |
oct | 406356153 |
9 | 153416825 |
10 | 68803691 |
11 | 35924260 |
12 | 1b060b4b |
13 | 11340158 |
14 | 91d0335 |
15 | 609142b |
hex | 419dc6b |
68803691 has 8 divisors (see below), whose sum is σ = 75788544. Its totient is φ = 61940520.
The previous prime is 68803687. The next prime is 68803697. The reversal of 68803691 is 19630886.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68803691 - 22 = 68803687 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68803697) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29231 + ... + 31496.
It is an arithmetic number, because the mean of its divisors is an integer number (9473568).
Almost surely, 268803691 is an apocalyptic number.
68803691 is a deficient number, since it is larger than the sum of its proper divisors (6984853).
68803691 is a wasteful number, since it uses less digits than its factorization.
68803691 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60841.
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 68803691 is about 8294.7990331291. The cubic root of 68803691 is about 409.7672504077.
The spelling of 68803691 in words is "sixty-eight million, eight hundred three thousand, six hundred ninety-one".
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