Base | Representation |
---|---|
bin | 1000001100000… |
… | …10001101101011 |
3 | 11210020212001112 |
4 | 10012002031223 |
5 | 120041101140 |
6 | 10452140535 |
7 | 1462601465 |
oct | 406021553 |
9 | 153225045 |
10 | 68690795 |
11 | 35857458 |
12 | 1b00774b |
13 | 11300954 |
14 | 91a1135 |
15 | 606cc65 |
hex | 418236b |
68690795 has 16 divisors (see below), whose sum is σ = 91873440. Its totient is φ = 48996864.
The previous prime is 68690773. The next prime is 68690813. The reversal of 68690795 is 59709686.
It is a cyclic number.
It is not a de Polignac number, because 68690795 - 212 = 68686699 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19652 + ... + 22881.
It is an arithmetic number, because the mean of its divisors is an integer number (5742090).
Almost surely, 268690795 is an apocalyptic number.
68690795 is a deficient number, since it is larger than the sum of its proper divisors (23182645).
68690795 is a wasteful number, since it uses less digits than its factorization.
68690795 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42574.
The product of its (nonzero) digits is 816480, while the sum is 50.
The square root of 68690795 is about 8287.9910110955. The cubic root of 68690795 is about 409.5430065805.
The spelling of 68690795 in words is "sixty-eight million, six hundred ninety thousand, seven hundred ninety-five".
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