Base | Representation |
---|---|
bin | 110101111100… |
… | …110001000011 |
3 | 222121111220110 |
4 | 311330301003 |
5 | 12110030111 |
6 | 1223042403 |
7 | 231131604 |
oct | 65746103 |
9 | 28544813 |
10 | 14142531 |
11 | 7a8a547 |
12 | 48a0403 |
13 | 2c12280 |
14 | 1c41dab |
15 | 13955a6 |
hex | d7cc43 |
14142531 has 8 divisors (see below), whose sum is σ = 20307280. Its totient is φ = 8703072.
The previous prime is 14142529. The next prime is 14142533. The reversal of 14142531 is 13524141.
It is an interprime number because it is at equal distance from previous prime (14142529) and next prime (14142533).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 14142531 - 21 = 14142529 is a prime.
It is a super-4 number, since 4×141425314 (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 14142498 and 14142507.
It is not an unprimeable number, because it can be changed into a prime (14142533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181276 + ... + 181353.
It is an arithmetic number, because the mean of its divisors is an integer number (2538410).
Almost surely, 214142531 is an apocalyptic number.
14142531 is a deficient number, since it is larger than the sum of its proper divisors (6164749).
14142531 is a wasteful number, since it uses less digits than its factorization.
14142531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362645.
The product of its digits is 480, while the sum is 21.
The square root of 14142531 is about 3760.6556609187. The cubic root of 14142531 is about 241.8293711042.
Adding to 14142531 its reverse (13524141), we get a palindrome (27666672).
The spelling of 14142531 in words is "fourteen million, one hundred forty-two thousand, five hundred thirty-one".
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