Base | Representation |
---|---|
bin | 1000001101101… |
… | …10011111101101 |
3 | 11210122201210212 |
4 | 10012312133231 |
5 | 120114424231 |
6 | 10500512205 |
7 | 1464453020 |
oct | 406663755 |
9 | 153581725 |
10 | 68904941 |
11 | 35993336 |
12 | 1b0ab665 |
13 | 11377271 |
14 | 92191b7 |
15 | 60b142b |
hex | 41b67ed |
68904941 has 16 divisors (see below), whose sum is σ = 82790400. Its totient is φ = 56068848.
The previous prime is 68904931. The next prime is 68904943. The reversal of 68904941 is 14940986.
It is not a de Polignac number, because 68904941 - 214 = 68888557 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68904943) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20840 + ... + 23918.
It is an arithmetic number, because the mean of its divisors is an integer number (5174400).
Almost surely, 268904941 is an apocalyptic number.
It is an amenable number.
68904941 is a deficient number, since it is larger than the sum of its proper divisors (13885459).
68904941 is a wasteful number, since it uses less digits than its factorization.
68904941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3248.
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 68904941 is about 8300.9000114445. The cubic root of 68904941 is about 409.9681533860.
The spelling of 68904941 in words is "sixty-eight million, nine hundred four thousand, nine hundred forty-one".
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