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29994689 is a prime number
BaseRepresentation
bin111001001101…
…0111011000001
32002102212222102
41302122323001
530134312224
62550520145
7512644034
oct162327301
962385872
1029994689
1115a274aa
12a066055
1362a274a
143dab01b
1529774ae
hex1c9aec1

29994689 has 2 divisors, whose sum is σ = 29994690. Its totient is φ = 29994688.

The previous prime is 29994667. The next prime is 29994721. The reversal of 29994689 is 98649992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29246464 + 748225 = 5408^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 29994689 - 212 = 29990593 is a prime.

It is not a weakly prime, because it can be changed into another prime (29994089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14997344 + 14997345.

It is an arithmetic number, because the mean of its divisors is an integer number (14997345).

Almost surely, 229994689 is an apocalyptic number.

It is an amenable number.

29994689 is a deficient number, since it is larger than the sum of its proper divisors (1).

29994689 is an equidigital number, since it uses as much as digits as its factorization.

29994689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 56.

The square root of 29994689 is about 5476.7407278417. The cubic root of 29994689 is about 310.7049133890.

The spelling of 29994689 in words is "twenty-nine million, nine hundred ninety-four thousand, six hundred eighty-nine".