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29907853 is a prime number
BaseRepresentation
bin111001000010…
…1101110001101
32002021110212021
41302011232031
530124022403
62545010141
7512132623
oct162055615
962243767
1029907853
1115978238
12a023951
136272071
143d87513
15295b8bd
hex1c85b8d

29907853 has 2 divisors, whose sum is σ = 29907854. Its totient is φ = 29907852.

The previous prime is 29907851. The next prime is 29907869. The reversal of 29907853 is 35870992.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18088009 + 11819844 = 4253^2 + 3438^2 .

It is a cyclic number.

It is not a de Polignac number, because 29907853 - 21 = 29907851 is a prime.

Together with 29907851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29907851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14953926 + 14953927.

It is an arithmetic number, because the mean of its divisors is an integer number (14953927).

Almost surely, 229907853 is an apocalyptic number.

It is an amenable number.

29907853 is a deficient number, since it is larger than the sum of its proper divisors (1).

29907853 is an equidigital number, since it uses as much as digits as its factorization.

29907853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 29907853 is about 5468.8072739858. The cubic root of 29907853 is about 310.4047885870.

The spelling of 29907853 in words is "twenty-nine million, nine hundred seven thousand, eight hundred fifty-three".