Base | Representation |
---|---|
bin | 111000000101… |
… | …100110000101 |
3 | 1000122222200212 |
4 | 320011212011 |
5 | 12230443411 |
6 | 1243045205 |
7 | 235654556 |
oct | 70054605 |
9 | 30588625 |
10 | 14702981 |
11 | 8332627 |
12 | 4b10805 |
13 | 307a3b7 |
14 | 1d4a32d |
15 | 145668b |
hex | e05985 |
14702981 has 4 divisors (see below), whose sum is σ = 14714700. Its totient is φ = 14691264.
The previous prime is 14702953. The next prime is 14702993. The reversal of 14702981 is 18920741.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 7896100 = 2609^2 + 2810^2 .
It is a cyclic number.
It is not a de Polignac number, because 14702981 - 214 = 14686597 is a prime.
It is a super-2 number, since 2×147029812 = 432355300572722, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14702921) 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, 3716 + ... + 6573.
It is an arithmetic number, because the mean of its divisors is an integer number (3678675).
Almost surely, 214702981 is an apocalyptic number.
It is an amenable number.
14702981 is a deficient number, since it is larger than the sum of its proper divisors (11719).
14702981 is a wasteful number, since it uses less digits than its factorization.
14702981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11718.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 14702981 is about 3834.4466354352. The cubic root of 14702981 is about 244.9825393637.
The spelling of 14702981 in words is "fourteen million, seven hundred two thousand, nine hundred eighty-one".
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