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29342857 is a prime number
BaseRepresentation
bin110111111101…
…1110010001001
32001012202211111
41233323302021
530002432412
62524530321
7504260455
oct157736211
961182744
1029342857
11156217a5
1299b09a1
136104b4b
143c7b665
1528992a7
hex1bfbc89

29342857 has 2 divisors, whose sum is σ = 29342858. Its totient is φ = 29342856.

The previous prime is 29342849. The next prime is 29342879. The reversal of 29342857 is 75824392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29333056 + 9801 = 5416^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 29342857 - 23 = 29342849 is a prime.

It is a super-3 number, since 3×293428573 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (29342837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14671428 + 14671429.

It is an arithmetic number, because the mean of its divisors is an integer number (14671429).

Almost surely, 229342857 is an apocalyptic number.

It is an amenable number.

29342857 is a deficient number, since it is larger than the sum of its proper divisors (1).

29342857 is an equidigital number, since it uses as much as digits as its factorization.

29342857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 29342857 is about 5416.9047434859. The cubic root of 29342857 is about 308.4377069258.

The spelling of 29342857 in words is "twenty-nine million, three hundred forty-two thousand, eight hundred fifty-seven".