Base | Representation |
---|---|
bin | 1111101010110… |
… | …10110101010110 |
3 | 100011100001100022 |
4 | 13311122311112 |
5 | 232122202204 |
6 | 21013145142 |
7 | 3154153550 |
oct | 765326526 |
9 | 304301308 |
10 | 131444054 |
11 | 68218955 |
12 | 3802b1b2 |
13 | 21302b61 |
14 | 136584d0 |
15 | b8165be |
hex | 7d5ad56 |
131444054 has 32 divisors (see below), whose sum is σ = 236390400. Its totient is φ = 53634528.
The previous prime is 131444041. The next prime is 131444069. The reversal of 131444054 is 450444131.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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, 21647 + ... + 27045.
It is an arithmetic number, because the mean of its divisors is an integer number (7387200).
Almost surely, 2131444054 is an apocalyptic number.
131444054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
131444054 is a deficient number, since it is larger than the sum of its proper divisors (104946346).
131444054 is a wasteful number, since it uses less digits than its factorization.
131444054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5492.
The product of its (nonzero) digits is 3840, while the sum is 26.
The square root of 131444054 is about 11464.9053201498. The cubic root of 131444054 is about 508.4485132056.
Adding to 131444054 its reverse (450444131), we get a palindrome (581888185).
The spelling of 131444054 in words is "one hundred thirty-one million, four hundred forty-four thousand, fifty-four".
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