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29966329 = 40174729
BaseRepresentation
bin111001001001…
…1111111111001
32002101110002001
41302103333321
530132410304
62550141001
7512465251
oct162237771
962343061
1029966329
1115a08168
12a051761
136292873
143da0961
15296dda4
hex1c93ff9

29966329 has 4 divisors (see below), whose sum is σ = 30041460. Its totient is φ = 29891200.

The previous prime is 29966323. The next prime is 29966333. The reversal of 29966329 is 92366992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23474025 + 6492304 = 4845^2 + 2548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29966329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29966323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36964 + ... + 37765.

It is an arithmetic number, because the mean of its divisors is an integer number (7510365).

Almost surely, 229966329 is an apocalyptic number.

It is an amenable number.

29966329 is a deficient number, since it is larger than the sum of its proper divisors (75131).

29966329 is an equidigital number, since it uses as much as digits as its factorization.

29966329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75130.

The product of its digits is 314928, while the sum is 46.

The square root of 29966329 is about 5474.1509843993. The cubic root of 29966329 is about 310.6069586041.

The spelling of 29966329 in words is "twenty-nine million, nine hundred sixty-six thousand, three hundred twenty-nine".

Divisors: 1 401 74729 29966329