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43481 is a prime number
BaseRepresentation
bin1010100111011001
32012122102
422213121
52342411
6533145
7240524
oct124731
965572
1043481
112a739
12211b5
1316a39
1411bbb
15cd3b
hexa9d9

43481 has 2 divisors, whose sum is σ = 43482. Its totient is φ = 43480.

The previous prime is 43457. The next prime is 43487. The reversal of 43481 is 18434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40000 + 3481 = 200^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 43481 - 210 = 42457 is a prime.

It is a super-2 number, since 2×434812 = 3781194722, which contains 22 as substring.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 43481.

It is not a weakly prime, because it can be changed into another prime (43487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21740 + 21741.

It is an arithmetic number, because the mean of its divisors is an integer number (21741).

243481 is an apocalyptic number.

It is an amenable number.

43481 is a deficient number, since it is larger than the sum of its proper divisors (1).

43481 is an equidigital number, since it uses as much as digits as its factorization.

43481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 43481 is about 208.5209821577. The cubic root of 43481 is about 35.1641271074.

It can be divided in two parts, 434 and 81, that added together give a palindrome (515).

The spelling of 43481 in words is "forty-three thousand, four hundred eighty-one".