Base | Representation |
---|---|
bin | 1000001101101… |
… | …00100100000101 |
3 | 11210122022221211 |
4 | 10012310210011 |
5 | 120114201104 |
6 | 10500411421 |
7 | 1464420655 |
oct | 406644405 |
9 | 153568854 |
10 | 68897029 |
11 | 359883a3 |
12 | 1b0a6b71 |
13 | 11373796 |
14 | 9216365 |
15 | 60ade04 |
hex | 41b4905 |
68897029 has 8 divisors (see below), whose sum is σ = 72015552. Its totient is φ = 65788800.
The previous prime is 68896991. The next prime is 68897053. The reversal of 68897029 is 92079886.
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 68897029 - 29 = 68896517 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68897729) 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, 13254 + ... + 17704.
It is an arithmetic number, because the mean of its divisors is an integer number (9001944).
Almost surely, 268897029 is an apocalyptic number.
It is an amenable number.
68897029 is a deficient number, since it is larger than the sum of its proper divisors (3118523).
68897029 is a wasteful number, since it uses less digits than its factorization.
68897029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5147.
The product of its (nonzero) digits is 435456, while the sum is 49.
The square root of 68897029 is about 8300.4234229345. The cubic root of 68897029 is about 409.9524612738.
The spelling of 68897029 in words is "sixty-eight million, eight hundred ninety-seven thousand, twenty-nine".
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