Base | Representation |
---|---|
bin | 110101111101… |
… | …010111111100 |
3 | 222121122022122 |
4 | 311331113330 |
5 | 12110120040 |
6 | 1223102112 |
7 | 231142061 |
oct | 65752774 |
9 | 28548278 |
10 | 14145020 |
11 | 7a913aa |
12 | 48a1938 |
13 | 2c13446 |
14 | 1c42c68 |
15 | 13961b5 |
hex | d7d5fc |
14145020 has 24 divisors (see below), whose sum is σ = 31452624. Its totient is φ = 5325056.
The previous prime is 14144993. The next prime is 14145049. The reversal of 14145020 is 2054141.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 14145020.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20462 + ... + 21141.
It is an arithmetic number, because the mean of its divisors is an integer number (1310526).
Almost surely, 214145020 is an apocalyptic number.
14145020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
14145020 is an abundant number, since it is smaller than the sum of its proper divisors (17307604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14145020 is a wasteful number, since it uses less digits than its factorization.
14145020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41629 (or 41627 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 14145020 is about 3760.9865726961. The cubic root of 14145020 is about 241.8435571081.
Adding to 14145020 its reverse (2054141), we get a palindrome (16199161).
The spelling of 14145020 in words is "fourteen million, one hundred forty-five thousand, twenty".
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