Base | Representation |
---|---|
bin | 1000001001000… |
… | …10100000000001 |
3 | 11202111221021110 |
4 | 10010202200001 |
5 | 114441030003 |
6 | 10435513533 |
7 | 1456346505 |
oct | 404424001 |
9 | 152457243 |
10 | 68298753 |
11 | 35609956 |
12 | 1aa588a9 |
13 | 111c4383 |
14 | 90dc305 |
15 | 5ee1a03 |
hex | 4122801 |
68298753 has 8 divisors (see below), whose sum is σ = 95024448. Its totient is φ = 43552784.
The previous prime is 68298751. The next prime is 68298757. The reversal of 68298753 is 35789286.
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 68298753 - 21 = 68298751 is a prime.
It is a super-2 number, since 2×682987532 = 9329439322710018, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68298751) 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, 494850 + ... + 494987.
It is an arithmetic number, because the mean of its divisors is an integer number (11878056).
Almost surely, 268298753 is an apocalyptic number.
It is an amenable number.
68298753 is a deficient number, since it is larger than the sum of its proper divisors (26725695).
68298753 is a wasteful number, since it uses less digits than its factorization.
68298753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 989863.
The product of its digits is 725760, while the sum is 48.
The square root of 68298753 is about 8264.3059599703. The cubic root of 68298753 is about 408.7623853199.
The spelling of 68298753 in words is "sixty-eight million, two hundred ninety-eight thousand, seven hundred fifty-three".
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