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43144131 = 366121757
BaseRepresentation
bin1010010010010…
…1001111000011
310000011221121210
42210211033003
542021103011
64140421203
71032501432
oct244451703
9100157553
1043144131
1122398908
1212547803
138c27994
145a31119
153bc36a6
hex29253c3

43144131 has 8 divisors (see below), whose sum is σ = 57615184. Its totient is φ = 28717920.

The previous prime is 43144121. The next prime is 43144133. The reversal of 43144131 is 13144134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43144131 - 211 = 43142083 is a prime.

It is a super-2 number, since 2×431441312 = 3722832079490322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43144098 and 43144107.

It is not an unprimeable number, because it can be changed into a prime (43144133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8896 + ... + 12861.

It is an arithmetic number, because the mean of its divisors is an integer number (7201898).

Almost surely, 243144131 is an apocalyptic number.

43144131 is a deficient number, since it is larger than the sum of its proper divisors (14471053).

43144131 is a wasteful number, since it uses less digits than its factorization.

43144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22421.

The product of its digits is 576, while the sum is 21.

The square root of 43144131 is about 6568.4192162194. The cubic root of 43144131 is about 350.7308022698.

Adding to 43144131 its reverse (13144134), we get a palindrome (56288265).

The spelling of 43144131 in words is "forty-three million, one hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 3 661 1983 21757 65271 14381377 43144131