Base | Representation |
---|---|
bin | 110110100100… |
… | …111101000100 |
3 | 222220212201002 |
4 | 312210331010 |
5 | 12130312030 |
6 | 1230352432 |
7 | 232415531 |
oct | 66447504 |
9 | 28825632 |
10 | 14307140 |
11 | 8092191 |
12 | 495b718 |
13 | 2c6c183 |
14 | 1c85d88 |
15 | 13c9245 |
hex | da4f44 |
14307140 has 12 divisors (see below), whose sum is σ = 30045036. Its totient is φ = 5722848.
The previous prime is 14307119. The next prime is 14307143. The reversal of 14307140 is 4170341.
14307140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 5827396 + 8479744 = 2414^2 + 2912^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 715357 = 14307140 / (1 + 4 + 3 + 0 + 7 + 1 + 4 + 0).
It is not an unprimeable number, because it can be changed into a prime (14307143) 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, 357659 + ... + 357698.
It is an arithmetic number, because the mean of its divisors is an integer number (2503753).
Almost surely, 214307140 is an apocalyptic number.
14307140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
14307140 is an abundant number, since it is smaller than the sum of its proper divisors (15737896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14307140 is a wasteful number, since it uses less digits than its factorization.
14307140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715366 (or 715364 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 14307140 is about 3782.4780237299. The cubic root of 14307140 is about 242.7639949252.
Adding to 14307140 its reverse (4170341), we get a palindrome (18477481).
The spelling of 14307140 in words is "fourteen million, three hundred seven thousand, one hundred forty".
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