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19337049 = 34238729
BaseRepresentation
bin100100111000…
…0111101011001
31100101102110000
41021300331121
514422241144
61530243213
7323235144
oct111607531
940342400
1019337049
11aa08236
126586509
134010754
1427d505b
151a6e769
hex1270f59

19337049 has 10 divisors (see below), whose sum is σ = 28886330. Its totient is φ = 12891312.

The previous prime is 19337039. The next prime is 19337077. The reversal of 19337049 is 94073391.

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 3080025 = 4032^2 + 1755^2 .

It is not a de Polignac number, because 19337049 - 212 = 19332953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19337039) 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 in 9 ways as a sum of consecutive naturals, for example, 119284 + ... + 119445.

It is an arithmetic number, because the mean of its divisors is an integer number (2888633).

Almost surely, 219337049 is an apocalyptic number.

It is an amenable number.

19337049 is a deficient number, since it is larger than the sum of its proper divisors (9549281).

19337049 is an equidigital number, since it uses as much as digits as its factorization.

19337049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238741 (or 238732 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 19337049 is about 4397.3911584029. The cubic root of 19337049 is about 268.4087889680.

The spelling of 19337049 in words is "nineteen million, three hundred thirty-seven thousand, forty-nine".

Divisors: 1 3 9 27 81 238729 716187 2148561 6445683 19337049