Base | Representation |
---|---|
bin | 111001001011… |
… | …000111100001 |
3 | 1001012110022200 |
4 | 321023013201 |
5 | 12314101440 |
6 | 1253123413 |
7 | 241252023 |
oct | 71130741 |
9 | 31173280 |
10 | 14987745 |
11 | 8507573 |
12 | 5029569 |
13 | 3149bb6 |
14 | 1dc2013 |
15 | 14b0c30 |
hex | e4b1e1 |
14987745 has 24 divisors (see below), whose sum is σ = 26350272. Its totient is φ = 7879200.
The previous prime is 14987741. The next prime is 14987759. The reversal of 14987745 is 54778941.
It is a happy number.
14987745 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 14987745 - 22 = 14987741 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 14987745.
It is not an unprimeable number, because it can be changed into a prime (14987741) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850 + ... + 5540.
It is an arithmetic number, because the mean of its divisors is an integer number (1097928).
Almost surely, 214987745 is an apocalyptic number.
14987745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
14987745 is a deficient number, since it is larger than the sum of its proper divisors (11362527).
14987745 is a wasteful number, since it uses less digits than its factorization.
14987745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4773 (or 4770 counting only the distinct ones).
The product of its digits is 282240, while the sum is 45.
The square root of 14987745 is about 3871.4009092317. The cubic root of 14987745 is about 246.5540259585.
The spelling of 14987745 in words is "fourteen million, nine hundred eighty-seven thousand, seven hundred forty-five".
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