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29292947 is a prime number
BaseRepresentation
bin110111110111…
…1100110010011
32001010020100222
41233233212103
524444333242
62523503255
7503662115
oct157574623
961106328
1029292947
1115598252
129987b2b
1360b8208
143c673b5
1528895d2
hex1bef993

29292947 has 2 divisors, whose sum is σ = 29292948. Its totient is φ = 29292946.

The previous prime is 29292881. The next prime is 29292959. The reversal of 29292947 is 74929292.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29292947 - 28 = 29292691 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 29292898 and 29292907.

It is not a weakly prime, because it can be changed into another prime (29292997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14646473 + 14646474.

It is an arithmetic number, because the mean of its divisors is an integer number (14646474).

Almost surely, 229292947 is an apocalyptic number.

29292947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29292947 is an equidigital number, since it uses as much as digits as its factorization.

29292947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 29292947 is about 5412.2959083923. The cubic root of 29292947 is about 308.2627312092.

It can be divided in two parts, 292 and 92947, that added together give a palindrome (93239).

The spelling of 29292947 in words is "twenty-nine million, two hundred ninety-two thousand, nine hundred forty-seven".