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29906293 is a prime number
BaseRepresentation
bin111001000010…
…1010101110101
32002021101201111
41302011111311
530124000133
62544555021
7512125234
oct162052565
962241644
1029906293
111597704a
12a022a71
136271441
143d86b1b
15295b1cd
hex1c85575

29906293 has 2 divisors, whose sum is σ = 29906294. Its totient is φ = 29906292.

The previous prime is 29906291. The next prime is 29906299. The reversal of 29906293 is 39260992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19421649 + 10484644 = 4407^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 29906293 - 21 = 29906291 is a prime.

It is a super-2 number, since 2×299062932 = 1788772722003698, which contains 22 as substring.

Together with 29906291, 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 (29906291) 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, 14953146 + 14953147.

It is an arithmetic number, because the mean of its divisors is an integer number (14953147).

Almost surely, 229906293 is an apocalyptic number.

It is an amenable number.

29906293 is a deficient number, since it is larger than the sum of its proper divisors (1).

29906293 is an equidigital number, since it uses as much as digits as its factorization.

29906293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 29906293 is about 5468.6646450482. The cubic root of 29906293 is about 310.3993915665.

The spelling of 29906293 in words is "twenty-nine million, nine hundred six thousand, two hundred ninety-three".