Base | Representation |
---|---|
bin | 100110011001… |
… | …0111001010110 |
3 | 1101212210002221 |
4 | 1030302321112 |
5 | 20123201124 |
6 | 1555252554 |
7 | 333054112 |
oct | 114627126 |
9 | 41783087 |
10 | 20131414 |
11 | 10400036 |
12 | 68aa15a |
13 | 422b1a4 |
14 | 2960742 |
15 | 1b79ce4 |
hex | 1332e56 |
20131414 has 16 divisors (see below), whose sum is σ = 30967920. Its totient is φ = 9811360.
The previous prime is 20131399. The next prime is 20131427. The reversal of 20131414 is 41413102.
It is a congruent number.
It is an unprimeable number.
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, 18444 + ... + 19504.
It is an arithmetic number, because the mean of its divisors is an integer number (1935495).
Almost surely, 220131414 is an apocalyptic number.
20131414 is a deficient number, since it is larger than the sum of its proper divisors (10836506).
20131414 is a wasteful number, since it uses less digits than its factorization.
20131414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1295.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 20131414 is about 4486.8044307725. The cubic root of 20131414 is about 272.0349850473.
Adding to 20131414 its reverse (41413102), we get a palindrome (61544516).
The spelling of 20131414 in words is "twenty million, one hundred thirty-one thousand, four hundred fourteen".
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