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33124081 is a prime number
BaseRepresentation
bin111111001011…
…0111011110001
32022022212200211
41332112323301
531434432311
63141544121
7551356444
oct176267361
968285624
1033124081
1117774681
12b115041
136b29c63
14458365b
152d94821
hex1f96ef1

33124081 has 2 divisors, whose sum is σ = 33124082. Its totient is φ = 33124080.

The previous prime is 33124057. The next prime is 33124111. The reversal of 33124081 is 18042133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 3964081 = 5400^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 33124081 - 27 = 33123953 is a prime.

It is a super-2 number, since 2×331240812 = 2194409484189122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33124001) by changing a digit.

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 as a sum of consecutive naturals, namely, 16562040 + 16562041.

It is an arithmetic number, because the mean of its divisors is an integer number (16562041).

Almost surely, 233124081 is an apocalyptic number.

It is an amenable number.

33124081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33124081 is an equidigital number, since it uses as much as digits as its factorization.

33124081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 33124081 is about 5755.3523784387. The cubic root of 33124081 is about 321.1549443969.

The spelling of 33124081 in words is "thirty-three million, one hundred twenty-four thousand, eighty-one".