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29985049 is a prime number
BaseRepresentation
bin111001001100…
…0100100011001
32002102101202101
41302120210121
530134010144
62550403401
7512603653
oct162304431
962371671
1029985049
1115a20236
12a060561
13629b243
143da76d3
1529746d4
hex1c98919

29985049 has 2 divisors, whose sum is σ = 29985050. Its totient is φ = 29985048.

The previous prime is 29985047. The next prime is 29985073. The reversal of 29985049 is 94058992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 8082649 = 4680^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 29985049 - 21 = 29985047 is a prime.

Together with 29985047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29985041) 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, 14992524 + 14992525.

It is an arithmetic number, because the mean of its divisors is an integer number (14992525).

Almost surely, 229985049 is an apocalyptic number.

It is an amenable number.

29985049 is a deficient number, since it is larger than the sum of its proper divisors (1).

29985049 is an equidigital number, since it uses as much as digits as its factorization.

29985049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 29985049 is about 5475.8605716362. The cubic root of 29985049 is about 310.6716239812.

The spelling of 29985049 in words is "twenty-nine million, nine hundred eighty-five thousand, forty-nine".