Base | Representation |
---|---|
bin | 110101111111… |
… | …110011100101 |
3 | 222122010222120 |
4 | 311333303211 |
5 | 12110424411 |
6 | 1223220153 |
7 | 231213111 |
oct | 65776345 |
9 | 28563876 |
10 | 14154981 |
11 | 7a98935 |
12 | 48a7659 |
13 | 2c17b39 |
14 | 1c46741 |
15 | 1399106 |
hex | d7fce5 |
14154981 has 16 divisors (see below), whose sum is σ = 20067840. Its totient is φ = 8849520.
The previous prime is 14154971. The next prime is 14154997. The reversal of 14154981 is 18945141.
It is not a de Polignac number, because 14154981 - 25 = 14154949 is a prime.
It is a super-2 number, since 2×141549812 = 400726974220722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14154901) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 4666 + ... + 7076.
It is an arithmetic number, because the mean of its divisors is an integer number (1254240).
Almost surely, 214154981 is an apocalyptic number.
It is an amenable number.
14154981 is a deficient number, since it is larger than the sum of its proper divisors (5912859).
14154981 is a wasteful number, since it uses less digits than its factorization.
14154981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2536.
The product of its digits is 5760, while the sum is 33.
The square root of 14154981 is about 3762.3105932392. The cubic root of 14154981 is about 241.9003129702.
The spelling of 14154981 in words is "fourteen million, one hundred fifty-four thousand, nine hundred eighty-one".
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