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34645069 is a prime number
BaseRepresentation
bin1000010000101…
…0010001001101
32102012011002201
42010022101031
532332120234
63234321501
7600323014
oct204122115
972164081
1034645069
1118613398
12b729291
137240354
14485ba7b
153095314
hex210a44d

34645069 has 2 divisors, whose sum is σ = 34645070. Its totient is φ = 34645068.

The previous prime is 34645067. The next prime is 34645081. The reversal of 34645069 is 96054643.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18748900 + 15896169 = 4330^2 + 3987^2 .

It is an emirp because it is prime and its reverse (96054643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34645069 - 21 = 34645067 is a prime.

It is a super-2 number, since 2×346450692 = 2400561612029522, which contains 22 as substring.

Together with 34645067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34645067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17322534 + 17322535.

It is an arithmetic number, because the mean of its divisors is an integer number (17322535).

Almost surely, 234645069 is an apocalyptic number.

It is an amenable number.

34645069 is a deficient number, since it is larger than the sum of its proper divisors (1).

34645069 is an equidigital number, since it uses as much as digits as its factorization.

34645069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 34645069 is about 5886.0062011520. The cubic root of 34645069 is about 325.9971551811.

The spelling of 34645069 in words is "thirty-four million, six hundred forty-five thousand, sixty-nine".