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29160281 is a prime number
BaseRepresentation
bin110111100111…
…1001101011001
32000212111101102
41233033031121
524431112111
62521001145
7502600253
oct157171531
960774342
1029160281
1115507607
1299231b5
13606ca07
143c30cd3
15286013b
hex1bcf359

29160281 has 2 divisors, whose sum is σ = 29160282. Its totient is φ = 29160280.

The previous prime is 29160259. The next prime is 29160289. The reversal of 29160281 is 18206192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 7070281 = 4700^2 + 2659^2 .

It is a cyclic number.

It is not a de Polignac number, because 29160281 - 26 = 29160217 is a prime.

It is a super-2 number, since 2×291602812 = 1700643975997922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29160289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14580140 + 14580141.

It is an arithmetic number, because the mean of its divisors is an integer number (14580141).

Almost surely, 229160281 is an apocalyptic number.

It is an amenable number.

29160281 is a deficient number, since it is larger than the sum of its proper divisors (1).

29160281 is an equidigital number, since it uses as much as digits as its factorization.

29160281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 29160281 is about 5400.0260184558. The cubic root of 29160281 is about 307.7966590884.

The spelling of 29160281 in words is "twenty-nine million, one hundred sixty thousand, two hundred eighty-one".