Base | Representation |
---|---|
bin | 110111111111… |
… | …101111010001 |
3 | 1000121202210102 |
4 | 313333233101 |
5 | 12224211433 |
6 | 1242342145 |
7 | 235524620 |
oct | 67775721 |
9 | 30552712 |
10 | 14678993 |
11 | 83165aa |
12 | 4aba955 |
13 | 306c4c4 |
14 | 1d416b7 |
15 | 144e4e8 |
hex | dffbd1 |
14678993 has 8 divisors (see below), whose sum is σ = 17133312. Its totient is φ = 12314016.
The previous prime is 14678981. The next prime is 14679013. The reversal of 14678993 is 39987641.
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 14678993 - 24 = 14678977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is not an unprimeable number, because it can be changed into a prime (14672993) 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, 21980 + ... + 22637.
It is an arithmetic number, because the mean of its divisors is an integer number (2141664).
Almost surely, 214678993 is an apocalyptic number.
It is an amenable number.
14678993 is a deficient number, since it is larger than the sum of its proper divisors (2454319).
14678993 is an equidigital number, since it uses as much as digits as its factorization.
14678993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44671.
The product of its digits is 326592, while the sum is 47.
The square root of 14678993 is about 3831.3173974496. The cubic root of 14678993 is about 244.8492366913.
The spelling of 14678993 in words is "fourteen million, six hundred seventy-eight thousand, nine hundred ninety-three".
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