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34065881 is a prime number
BaseRepresentation
bin1000000111110…
…0110111011001
32101002201121022
42001330313121
532210102011
63214052225
7562361303
oct201746731
971081538
1034065881
1118258223
12b4aa075
137099835
14474a973
152ecd8db
hex207cdd9

34065881 has 2 divisors, whose sum is σ = 34065882. Its totient is φ = 34065880.

The previous prime is 34065853. The next prime is 34065883. The reversal of 34065881 is 18856043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25603600 + 8462281 = 5060^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 34065881 - 26 = 34065817 is a prime.

It is a super-2 number, since 2×340658812 = 2320968496612322, which contains 22 as substring.

Together with 34065883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34065883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17032940 + 17032941.

It is an arithmetic number, because the mean of its divisors is an integer number (17032941).

Almost surely, 234065881 is an apocalyptic number.

It is an amenable number.

34065881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34065881 is an equidigital number, since it uses as much as digits as its factorization.

34065881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 34065881 is about 5836.5984100330. The cubic root of 34065881 is about 324.1702891094.

The spelling of 34065881 in words is "thirty-four million, sixty-five thousand, eight hundred eighty-one".