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29899249 is a prime number
BaseRepresentation
bin111001000001…
…1100111110001
32002021001001121
41302003213301
530123233444
62544502241
7512065552
oct162034761
962231047
1029899249
1115971826
12a01a981
13626b183
143d84329
152959084
hex1c839f1

29899249 has 2 divisors, whose sum is σ = 29899250. Its totient is φ = 29899248.

The previous prime is 29899231. The next prime is 29899271. The reversal of 29899249 is 94299892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29899024 + 225 = 5468^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 29899249 - 215 = 29866481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29899196 and 29899205.

It is not a weakly prime, because it can be changed into another prime (29899349) 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, 14949624 + 14949625.

It is an arithmetic number, because the mean of its divisors is an integer number (14949625).

Almost surely, 229899249 is an apocalyptic number.

It is an amenable number.

29899249 is a deficient number, since it is larger than the sum of its proper divisors (1).

29899249 is an equidigital number, since it uses as much as digits as its factorization.

29899249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 52.

The square root of 29899249 is about 5468.0205742115. The cubic root of 29899249 is about 310.3750196057.

The spelling of 29899249 in words is "twenty-nine million, eight hundred ninety-nine thousand, two hundred forty-nine".