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29755109 is a prime number
BaseRepresentation
bin111000110000…
…0011011100101
32001222201100002
41301200123211
530104130414
62541431045
7510625406
oct161403345
961881302
1029755109
11158834aa
129b6b485
13621a697
143d479ad
15292b4de
hex1c606e5

29755109 has 2 divisors, whose sum is σ = 29755110. Its totient is φ = 29755108.

The previous prime is 29755093. The next prime is 29755139. The reversal of 29755109 is 90155792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 3694084 = 5105^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 29755109 - 24 = 29755093 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 (29755139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14877554 + 14877555.

It is an arithmetic number, because the mean of its divisors is an integer number (14877555).

Almost surely, 229755109 is an apocalyptic number.

It is an amenable number.

29755109 is a deficient number, since it is larger than the sum of its proper divisors (1).

29755109 is an equidigital number, since it uses as much as digits as its factorization.

29755109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 29755109 is about 5454.8243784745. The cubic root of 29755109 is about 309.8754581235.

The spelling of 29755109 in words is "twenty-nine million, seven hundred fifty-five thousand, one hundred nine".