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34405873 is a prime number
BaseRepresentation
bin1000001100111…
…1110111110001
32101201222222121
42003033313301
532301441443
63225234241
7565305445
oct203176761
971658877
1034405873
111846a707
12b632981
137188508
1447d8825
1530494ed
hex20cfdf1

34405873 has 2 divisors, whose sum is σ = 34405874. Its totient is φ = 34405872.

The previous prime is 34405837. The next prime is 34405913. The reversal of 34405873 is 37850443.

It is a happy number.

Together with previous prime (34405837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26749584 + 7656289 = 5172^2 + 2767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34405873 is a prime.

It is not a weakly prime, because it can be changed into another prime (34405823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17202936 + 17202937.

It is an arithmetic number, because the mean of its divisors is an integer number (17202937).

Almost surely, 234405873 is an apocalyptic number.

It is an amenable number.

34405873 is a deficient number, since it is larger than the sum of its proper divisors (1).

34405873 is an equidigital number, since it uses as much as digits as its factorization.

34405873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 34405873 is about 5865.6519671730. The cubic root of 34405873 is about 325.2451735793.

The spelling of 34405873 in words is "thirty-four million, four hundred five thousand, eight hundred seventy-three".