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29552909 is a prime number
BaseRepresentation
bin111000010111…
…1000100001101
32001121102222012
41300233010031
530031143114
62533231005
7506124041
oct160570415
961542865
1029552909
11157555a1
129a92465
136179639
143cd4021
1528db63e
hex1c2f10d

29552909 has 2 divisors, whose sum is σ = 29552910. Its totient is φ = 29552908.

The previous prime is 29552881. The next prime is 29552927. The reversal of 29552909 is 90925592.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 4502884 = 5005^2 + 2122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29552909 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29554909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14776454 + 14776455.

It is an arithmetic number, because the mean of its divisors is an integer number (14776455).

Almost surely, 229552909 is an apocalyptic number.

It is an amenable number.

29552909 is a deficient number, since it is larger than the sum of its proper divisors (1).

29552909 is an equidigital number, since it uses as much as digits as its factorization.

29552909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 29552909 is about 5436.2587318854. The cubic root of 29552909 is about 309.1719455107.

The spelling of 29552909 in words is "twenty-nine million, five hundred fifty-two thousand, nine hundred nine".