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29108669 is a prime number
BaseRepresentation
bin110111100001…
…0100110111101
32000202212120212
41233002212331
524422434134
62515522205
7502263632
oct157024675
960685525
1029108669
1115481857
1298b9365
136052385
143c1a189
15284ebce
hex1bc29bd

29108669 has 2 divisors, whose sum is σ = 29108670. Its totient is φ = 29108668.

The previous prime is 29108621. The next prime is 29108683. The reversal of 29108669 is 96680192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23396569 + 5712100 = 4837^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 29108669 - 212 = 29104573 is a prime.

It is a super-2 number, since 2×291086692 = 1694629221903122, which contains 22 as substring.

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 (29108609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14554334 + 14554335.

It is an arithmetic number, because the mean of its divisors is an integer number (14554335).

Almost surely, 229108669 is an apocalyptic number.

It is an amenable number.

29108669 is a deficient number, since it is larger than the sum of its proper divisors (1).

29108669 is an equidigital number, since it uses as much as digits as its factorization.

29108669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 29108669 is about 5395.2450361406. The cubic root of 29108669 is about 307.6149577892.

The spelling of 29108669 in words is "twenty-nine million, one hundred eight thousand, six hundred sixty-nine".