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34405069 is a prime number
BaseRepresentation
bin1000001100111…
…1101011001101
32101201221212211
42003033223031
532301430234
63225230421
7565303216
oct203175315
971657784
1034405069
111846a046
12b632411
13718803a
1447d840d
153049164
hex20cfacd

34405069 has 2 divisors, whose sum is σ = 34405070. Its totient is φ = 34405068.

The previous prime is 34405061. The next prime is 34405073. The reversal of 34405069 is 96050443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 42025 = 5862^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 34405069 - 23 = 34405061 is a prime.

It is a super-2 number, since 2×344050692 = 2367417545789522, 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 34405069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34405061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17202534 + 17202535.

It is an arithmetic number, because the mean of its divisors is an integer number (17202535).

Almost surely, 234405069 is an apocalyptic number.

It is an amenable number.

34405069 is a deficient number, since it is larger than the sum of its proper divisors (1).

34405069 is an equidigital number, since it uses as much as digits as its factorization.

34405069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 34405069 is about 5865.5834321915. The cubic root of 34405069 is about 325.2426401052.

The spelling of 34405069 in words is "thirty-four million, four hundred five thousand, sixty-nine".