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29342681 is a prime number
BaseRepresentation
bin110111111101…
…1101111011001
32001012202120222
41233323233121
530002431211
62524525425
7504260114
oct157735731
961182528
1029342681
1115621655
1299b0875
136104a44
143c7b57b
1528991db
hex1bfbbd9

29342681 has 2 divisors, whose sum is σ = 29342682. Its totient is φ = 29342680.

The previous prime is 29342657. The next prime is 29342699. The reversal of 29342681 is 18624392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24167056 + 5175625 = 4916^2 + 2275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29342681 is a prime.

It is a super-2 number, since 2×293426812 = 1721985856535522, which contains 22 as substring.

It is a Chen prime.

It is equal to p1819583 and since 29342681 and 1819583 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (29342611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14671340 + 14671341.

It is an arithmetic number, because the mean of its divisors is an integer number (14671341).

Almost surely, 229342681 is an apocalyptic number.

It is an amenable number.

29342681 is a deficient number, since it is larger than the sum of its proper divisors (1).

29342681 is an equidigital number, since it uses as much as digits as its factorization.

29342681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 29342681 is about 5416.8884980217. Note that the first 3 decimals coincide. The cubic root of 29342681 is about 308.4370902494.

The spelling of 29342681 in words is "twenty-nine million, three hundred forty-two thousand, six hundred eighty-one".