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29100089 is a prime number
BaseRepresentation
bin110111100000…
…0100000111001
32000202102211002
41233000200321
524422200324
62515414345
7502226624
oct157004071
960672732
1029100089
1115476367
1298b43b5
13604b4b5
143c16dbb
15284c3ae
hex1bc0839

29100089 has 2 divisors, whose sum is σ = 29100090. Its totient is φ = 29100088.

The previous prime is 29100061. The next prime is 29100091. The reversal of 29100089 is 98000192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25080064 + 4020025 = 5008^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 29100089 - 216 = 29034553 is a prime.

It is a Sophie Germain prime.

Together with 29100091, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29102089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14550044 + 14550045.

It is an arithmetic number, because the mean of its divisors is an integer number (14550045).

Almost surely, 229100089 is an apocalyptic number.

It is an amenable number.

29100089 is a deficient number, since it is larger than the sum of its proper divisors (1).

29100089 is an equidigital number, since it uses as much as digits as its factorization.

29100089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 29100089 is about 5394.4498329301. The cubic root of 29100089 is about 307.5847308752.

The spelling of 29100089 in words is "twenty-nine million, one hundred thousand, eighty-nine".