Base | Representation |
---|---|
bin | 110101111101… |
… | …011000010000 |
3 | 222121122100101 |
4 | 311331120100 |
5 | 12110120130 |
6 | 1223102144 |
7 | 231142120 |
oct | 65753020 |
9 | 28548311 |
10 | 14145040 |
11 | 7a91418 |
12 | 48a1954 |
13 | 2c13460 |
14 | 1c42c80 |
15 | 13961ca |
hex | d7d610 |
14145040 has 160 divisors (see below), whose sum is σ = 42497280. Its totient is φ = 4257792.
The previous prime is 14144993. The next prime is 14145049. The reversal of 14145040 is 4054141.
14145040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 14144999 and 14145017.
It is not an unprimeable number, because it can be changed into a prime (14145049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211087 + ... + 211153.
It is an arithmetic number, because the mean of its divisors is an integer number (265608).
Almost surely, 214145040 is an apocalyptic number.
14145040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 14145040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21248640).
14145040 is an abundant number, since it is smaller than the sum of its proper divisors (28352240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14145040 is a wasteful number, since it uses less digits than its factorization.
14145040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129 (or 123 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 14145040 is about 3760.9892315719. The cubic root of 14145040 is about 241.8436710909.
Adding to 14145040 its reverse (4054141), we get a palindrome (18199181).
The spelling of 14145040 in words is "fourteen million, one hundred forty-five thousand, forty".
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