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32481133 is a prime number
BaseRepresentation
bin111101111100…
…1111101101101
32021010012201221
41323321331231
531303344013
63120103341
7543041116
oct173717555
967105657
1032481133
1117375613
12aa64b51
136963409
14445720d
152cb908d
hex1ef9f6d

32481133 has 2 divisors, whose sum is σ = 32481134. Its totient is φ = 32481132.

The previous prime is 32481121. The next prime is 32481167. The reversal of 32481133 is 33118423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27910089 + 4571044 = 5283^2 + 2138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32481133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32481098 and 32481107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32481433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16240566 + 16240567.

It is an arithmetic number, because the mean of its divisors is an integer number (16240567).

Almost surely, 232481133 is an apocalyptic number.

It is an amenable number.

32481133 is a deficient number, since it is larger than the sum of its proper divisors (1).

32481133 is an equidigital number, since it uses as much as digits as its factorization.

32481133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 32481133 is about 5699.2221399065. Note that the first 3 decimals coincide. The cubic root of 32481133 is about 319.0634498055.

Adding to 32481133 its reverse (33118423), we get a palindrome (65599556).

The spelling of 32481133 in words is "thirty-two million, four hundred eighty-one thousand, one hundred thirty-three".