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29323081 is a prime number
BaseRepresentation
bin110111111011…
…0111101001001
32001011202201001
41233312331021
530001314311
62524255001
7504146014
oct157667511
961152631
1029323081
1115608957
1299a1461
1360c8b48
143c7437b
1528934c1
hex1bf6f49

29323081 has 2 divisors, whose sum is σ = 29323082. Its totient is φ = 29323080.

The previous prime is 29323057. The next prime is 29323087. The reversal of 29323081 is 18032392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26873856 + 2449225 = 5184^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 29323081 - 219 = 28798793 is a prime.

It is a super-2 number, since 2×293230812 = 1719686158665122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29323087) 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 as a sum of consecutive naturals, namely, 14661540 + 14661541.

It is an arithmetic number, because the mean of its divisors is an integer number (14661541).

Almost surely, 229323081 is an apocalyptic number.

It is an amenable number.

29323081 is a deficient number, since it is larger than the sum of its proper divisors (1).

29323081 is an equidigital number, since it uses as much as digits as its factorization.

29323081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 29323081 is about 5415.0790391277. The cubic root of 29323081 is about 308.3683994856.

The spelling of 29323081 in words is "twenty-nine million, three hundred twenty-three thousand, eighty-one".