Base | Representation |
---|---|
bin | 1000001011100… |
… | …00010011001111 |
3 | 11210010010102001 |
4 | 10011300103033 |
5 | 120031224143 |
6 | 10450413131 |
7 | 1462144540 |
oct | 405602317 |
9 | 153103361 |
10 | 68617423 |
11 | 35807316 |
12 | 1ab911a7 |
13 | 112a6434 |
14 | 91824c7 |
15 | 605614d |
hex | 41704cf |
68617423 has 8 divisors (see below), whose sum is σ = 83032992. Its totient is φ = 55355136.
The previous prime is 68617421. The next prime is 68617427. The reversal of 68617423 is 32471686.
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 68617423 - 21 = 68617421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68617421) 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, 288190 + ... + 288427.
It is an arithmetic number, because the mean of its divisors is an integer number (10379124).
Almost surely, 268617423 is an apocalyptic number.
68617423 is a deficient number, since it is larger than the sum of its proper divisors (14415569).
68617423 is a wasteful number, since it uses less digits than its factorization.
68617423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576641.
The product of its digits is 48384, while the sum is 37.
The square root of 68617423 is about 8283.5634240344. The cubic root of 68617423 is about 409.3971369883.
The spelling of 68617423 in words is "sixty-eight million, six hundred seventeen thousand, four hundred twenty-three".
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