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29211089 is a prime number
BaseRepresentation
bin110111101101…
…1100111010001
32000222002002012
41233123213101
524434223324
62522032305
7503201345
oct157334721
960862065
1029211089
11155417a6
129948695
136089b8b
143c45625
15287020e
hex1bdb9d1

29211089 has 2 divisors, whose sum is σ = 29211090. Its totient is φ = 29211088.

The previous prime is 29211073. The next prime is 29211121. The reversal of 29211089 is 98011292.

It is a happy number.

It is an a-pointer prime, because the next prime (29211121) can be obtained adding 29211089 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 6932689 = 4720^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 29211089 - 24 = 29211073 is a prime.

It is not a weakly prime, because it can be changed into another prime (29211029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14605544 + 14605545.

It is an arithmetic number, because the mean of its divisors is an integer number (14605545).

Almost surely, 229211089 is an apocalyptic number.

It is an amenable number.

29211089 is a deficient number, since it is larger than the sum of its proper divisors (1).

29211089 is an equidigital number, since it uses as much as digits as its factorization.

29211089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 29211089 is about 5404.7283928057. The cubic root of 29211089 is about 307.9753205896.

The spelling of 29211089 in words is "twenty-nine million, two hundred eleven thousand, eighty-nine".