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29936449 is a prime number
BaseRepresentation
bin111001000110…
…0101101000001
32002022221002101
41302030231001
530130431244
62545350401
7512312164
oct162145501
962287071
1029936449
1115997774
12a038401
13628209a
143d93adb
1529650d4
hex1c8cb41

29936449 has 2 divisors, whose sum is σ = 29936450. Its totient is φ = 29936448.

The previous prime is 29936447. The next prime is 29936461. The reversal of 29936449 is 94463992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19079424 + 10857025 = 4368^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 29936449 - 21 = 29936447 is a prime.

Together with 29936447, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29936399 and 29936408.

It is not a weakly prime, because it can be changed into another prime (29936447) 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, 14968224 + 14968225.

It is an arithmetic number, because the mean of its divisors is an integer number (14968225).

Almost surely, 229936449 is an apocalyptic number.

It is an amenable number.

29936449 is a deficient number, since it is larger than the sum of its proper divisors (1).

29936449 is an equidigital number, since it uses as much as digits as its factorization.

29936449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 46.

The square root of 29936449 is about 5471.4211133854. The cubic root of 29936449 is about 310.5036868913.

The spelling of 29936449 in words is "twenty-nine million, nine hundred thirty-six thousand, four hundred forty-nine".