Base | Representation |
---|---|
bin | 1000001010001… |
… | …10110001011011 |
3 | 11202210111002001 |
4 | 10011012301123 |
5 | 120010303243 |
6 | 10443021431 |
7 | 1460535610 |
oct | 405066133 |
9 | 152714061 |
10 | 68447323 |
11 | 3570053a |
12 | 1ab0a877 |
13 | 11246b99 |
14 | 913a507 |
15 | 6020a4d |
hex | 4146c5b |
68447323 has 4 divisors (see below), whose sum is σ = 78225520. Its totient is φ = 58669128.
The previous prime is 68447317. The next prime is 68447347. The reversal of 68447323 is 32374486.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-68447323 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68447383) 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, 4889088 + ... + 4889101.
It is an arithmetic number, because the mean of its divisors is an integer number (19556380).
Almost surely, 268447323 is an apocalyptic number.
68447323 is a deficient number, since it is larger than the sum of its proper divisors (9778197).
68447323 is an equidigital number, since it uses as much as digits as its factorization.
68447323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9778196.
The product of its digits is 96768, while the sum is 37.
The square root of 68447323 is about 8273.2897326275. The cubic root of 68447323 is about 409.0585637172.
The spelling of 68447323 in words is "sixty-eight million, four hundred forty-seven thousand, three hundred twenty-three".
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