Base | Representation |
---|---|
bin | 110110111000… |
… | …011110110001 |
3 | 1000001221102100 |
4 | 312320132301 |
5 | 12140341441 |
6 | 1232211013 |
7 | 233200650 |
oct | 66703661 |
9 | 30057370 |
10 | 14387121 |
11 | 8137291 |
12 | 4999a69 |
13 | 2c996b8 |
14 | 1ca7197 |
15 | 13e2cb6 |
hex | db87b1 |
14387121 has 24 divisors (see below), whose sum is σ = 24785280. Its totient is φ = 7862976.
The previous prime is 14387101. The next prime is 14387173. The reversal of 14387121 is 12178341.
It is not a de Polignac number, because 14387121 - 25 = 14387089 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14387101) 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, 3516 + ... + 6413.
It is an arithmetic number, because the mean of its divisors is an integer number (1032720).
Almost surely, 214387121 is an apocalyptic number.
It is an amenable number.
14387121 is a deficient number, since it is larger than the sum of its proper divisors (10398159).
14387121 is a wasteful number, since it uses less digits than its factorization.
14387121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9965 (or 9962 counting only the distinct ones).
The product of its digits is 1344, while the sum is 27.
The square root of 14387121 is about 3793.0358553539. The cubic root of 14387121 is about 243.2155279303.
The spelling of 14387121 in words is "fourteen million, three hundred eighty-seven thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •