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769042949 is a prime number
BaseRepresentation
bin101101110101101…
…010101000000101
31222121002102121012
4231311222220011
53033333333244
6204151132005
725025520503
oct5565525005
91877072535
10769042949
11365117394
12195674005
13c34343cc
14741cb673
15477ae89e
hex2dd6aa05

769042949 has 2 divisors, whose sum is σ = 769042950. Its totient is φ = 769042948.

The previous prime is 769042913. The next prime is 769043029. The reversal of 769042949 is 949240967.

769042949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493150849 + 275892100 = 22207^2 + 16610^2 .

It is a cyclic number.

It is not a de Polignac number, because 769042949 - 28 = 769042693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 769042897 and 769042906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769012949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384521474 + 384521475.

It is an arithmetic number, because the mean of its divisors is an integer number (384521475).

Almost surely, 2769042949 is an apocalyptic number.

It is an amenable number.

769042949 is a deficient number, since it is larger than the sum of its proper divisors (1).

769042949 is an equidigital number, since it uses as much as digits as its factorization.

769042949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 769042949 is about 27731.6236271878. The cubic root of 769042949 is about 916.1857477060.

The spelling of 769042949 in words is "seven hundred sixty-nine million, forty-two thousand, nine hundred forty-nine".