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1232899049 is a prime number
BaseRepresentation
bin100100101111100…
…1000101111101001
310011220220202112202
41021133020233221
510011110232144
6322201145545
742360316604
oct11137105751
93156822482
101232899049
11582a37338
122a4a8b2b5
13168572b85
14b9a5533b
157338864e
hex497c8be9

1232899049 has 2 divisors, whose sum is σ = 1232899050. Its totient is φ = 1232899048.

The previous prime is 1232899039. The next prime is 1232899051. The reversal of 1232899049 is 9409982321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812649049 + 420250000 = 28507^2 + 20500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1232899049 is a prime.

Together with 1232899051, 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 = 1232898994 and 1232899012.

It is not a weakly prime, because it can be changed into another prime (1232899039) 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, 616449524 + 616449525.

It is an arithmetic number, because the mean of its divisors is an integer number (616449525).

Almost surely, 21232899049 is an apocalyptic number.

It is an amenable number.

1232899049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232899049 is an equidigital number, since it uses as much as digits as its factorization.

1232899049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1232899049 is about 35112.6622317363. The cubic root of 1232899049 is about 1072.2823871911.

The spelling of 1232899049 in words is "one billion, two hundred thirty-two million, eight hundred ninety-nine thousand, forty-nine".