Base | Representation |
---|---|
bin | 1000001101110… |
… | …10001111101101 |
3 | 11210200111212202 |
4 | 10012322033231 |
5 | 120120422201 |
6 | 10501111245 |
7 | 1464545552 |
oct | 406721755 |
9 | 153614782 |
10 | 68920301 |
11 | 359a392a |
12 | 1b0b8525 |
13 | 11381258 |
14 | 9220a29 |
15 | 60b5c6b |
hex | 41ba3ed |
68920301 has 4 divisors (see below), whose sum is σ = 70050204. Its totient is φ = 67790400.
The previous prime is 68920289. The next prime is 68920309. The reversal of 68920301 is 10302986.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 35581225 + 33339076 = 5965^2 + 5774^2 .
It is a cyclic number.
It is not a de Polignac number, because 68920301 - 26 = 68920237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68920309) 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, 564860 + ... + 564981.
It is an arithmetic number, because the mean of its divisors is an integer number (17512551).
Almost surely, 268920301 is an apocalyptic number.
68920301 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
It is an amenable number.
68920301 is a deficient number, since it is larger than the sum of its proper divisors (1129903).
68920301 is a wasteful number, since it uses less digits than its factorization.
68920301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129902.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 68920301 is about 8301.8251607704. The cubic root of 68920301 is about 409.9986139156.
The spelling of 68920301 in words is "sixty-eight million, nine hundred twenty thousand, three hundred one".
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