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32868481 is a prime number
BaseRepresentation
bin111110101100…
…0100010000001
32021211220002011
41331120202001
531403242411
63132252521
7546243322
oct175304201
967756064
1032868481
111760a638
12b011141
136a6a809
144518449
152d43c21
hex1f58881

32868481 has 2 divisors, whose sum is σ = 32868482. Its totient is φ = 32868480.

The previous prime is 32868457. The next prime is 32868509. The reversal of 32868481 is 18486823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 9054081 = 4880^2 + 3009^2 .

It is an emirp because it is prime and its reverse (18486823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32868481 - 211 = 32866433 is a prime.

It is a super-2 number, since 2×328684812 = 2160674086494722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32868431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16434240 + 16434241.

It is an arithmetic number, because the mean of its divisors is an integer number (16434241).

Almost surely, 232868481 is an apocalyptic number.

It is an amenable number.

32868481 is a deficient number, since it is larger than the sum of its proper divisors (1).

32868481 is an equidigital number, since it uses as much as digits as its factorization.

32868481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 40.

The square root of 32868481 is about 5733.1039585900. The cubic root of 32868481 is about 320.3267528268.

The spelling of 32868481 in words is "thirty-two million, eight hundred sixty-eight thousand, four hundred eighty-one".