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34427881 is a prime number
BaseRepresentation
bin1000001101010…
…1001111101001
32101210010011201
42003111033221
532303143011
63225524201
7565426555
oct203251751
971703151
1034427881
11184851a4
12b643661
137195537
144802865
153050cc1
hex20d53e9

34427881 has 2 divisors, whose sum is σ = 34427882. Its totient is φ = 34427880.

The previous prime is 34427863. The next prime is 34427891. The reversal of 34427881 is 18872443.

34427881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26677225 + 7750656 = 5165^2 + 2784^2 .

It is a cyclic number.

It is not a de Polignac number, because 34427881 - 217 = 34296809 is a prime.

It is a super-2 number, since 2×344278812 = 2370557980300322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34427881.

It is not a weakly prime, because it can be changed into another prime (34427831) 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, 17213940 + 17213941.

It is an arithmetic number, because the mean of its divisors is an integer number (17213941).

Almost surely, 234427881 is an apocalyptic number.

It is an amenable number.

34427881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34427881 is an equidigital number, since it uses as much as digits as its factorization.

34427881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 37.

The square root of 34427881 is about 5867.5276735606. The cubic root of 34427881 is about 325.3145073826.

The spelling of 34427881 in words is "thirty-four million, four hundred twenty-seven thousand, eight hundred eighty-one".