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29255143 is a prime number
BaseRepresentation
bin110111110011…
…0010111100111
32001001022111211
41233212113213
524442131033
62523012251
7503443651
oct157462747
961038454
1029255143
1115571905
12996a087
1360a3c48
143c576d1
15287d2cd
hex1be65e7

29255143 has 2 divisors, whose sum is σ = 29255144. Its totient is φ = 29255142.

The previous prime is 29255137. The next prime is 29255153. The reversal of 29255143 is 34155292.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29255143 - 25 = 29255111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29255153) 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, 14627571 + 14627572.

It is an arithmetic number, because the mean of its divisors is an integer number (14627572).

Almost surely, 229255143 is an apocalyptic number.

29255143 is a deficient number, since it is larger than the sum of its proper divisors (1).

29255143 is an equidigital number, since it uses as much as digits as its factorization.

29255143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 29255143 is about 5408.8023628156. The cubic root of 29255143 is about 308.1300646774.

The spelling of 29255143 in words is "twenty-nine million, two hundred fifty-five thousand, one hundred forty-three".