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34949689 is a prime number
BaseRepresentation
bin1000010101010…
…0101000111001
32102202121221221
42011110220321
532421342224
63245032041
7603032065
oct205245071
972677857
1034949689
1118801245
12b855621
137318bb8
1448daaa5
1531056e4
hex2154a39

34949689 has 2 divisors, whose sum is σ = 34949690. Its totient is φ = 34949688.

The previous prime is 34949639. The next prime is 34949693. The reversal of 34949689 is 98694943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 12482089 = 4740^2 + 3533^2 .

It is a cyclic number.

It is not a de Polignac number, because 34949689 - 211 = 34947641 is a prime.

It is a super-2 number, since 2×349496892 = 2442961522393442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34949639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17474844 + 17474845.

It is an arithmetic number, because the mean of its divisors is an integer number (17474845).

Almost surely, 234949689 is an apocalyptic number.

It is an amenable number.

34949689 is a deficient number, since it is larger than the sum of its proper divisors (1).

34949689 is an equidigital number, since it uses as much as digits as its factorization.

34949689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 52.

The square root of 34949689 is about 5911.8261983925. The cubic root of 34949689 is about 326.9498219383.

The spelling of 34949689 in words is "thirty-four million, nine hundred forty-nine thousand, six hundred eighty-nine".