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34518881 is a prime number
BaseRepresentation
bin1000001110101…
…1011101100001
32101221202000002
42003223131201
532314101011
63231505345
7566256065
oct203533541
971852002
1034518881
1118537601
12b688255
1371c7a97
144827aa5
15306cc3b
hex20eb761

34518881 has 2 divisors, whose sum is σ = 34518882. Its totient is φ = 34518880.

The previous prime is 34518859. The next prime is 34518907. The reversal of 34518881 is 18881543.

34518881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33744481 + 774400 = 5809^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 34518881 - 218 = 34256737 is a prime.

It is a super-2 number, since 2×345188812 = 2383106290984322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34511881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17259440 + 17259441.

It is an arithmetic number, because the mean of its divisors is an integer number (17259441).

Almost surely, 234518881 is an apocalyptic number.

It is an amenable number.

34518881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34518881 is an equidigital number, since it uses as much as digits as its factorization.

34518881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 38.

The square root of 34518881 is about 5875.2770998481. The cubic root of 34518881 is about 325.6008796940.

The spelling of 34518881 in words is "thirty-four million, five hundred eighteen thousand, eight hundred eighty-one".