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769480749 = 33371515101
BaseRepresentation
bin101101110111010…
…101100000101101
31222121220200011000
4231313111200231
53033441340444
6204204350513
725032323052
oct5567254055
91877820130
10769480749
11365396304
12195845439
13c355876b
14742a3029
1547849469
hex2ddd582d

769480749 has 32 divisors (see below), whose sum is σ = 1178766080. Its totient is φ = 495720000.

The previous prime is 769480703. The next prime is 769480781. The reversal of 769480749 is 947084967.

It is a happy number.

769480749 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 769480749 - 28 = 769480493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 769480695 and 769480704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769480949) 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 in 31 ways as a sum of consecutive naturals, for example, 148299 + ... + 153399.

It is an arithmetic number, because the mean of its divisors is an integer number (36836440).

Almost surely, 2769480749 is an apocalyptic number.

It is an amenable number.

769480749 is a deficient number, since it is larger than the sum of its proper divisors (409285331).

769480749 is a wasteful number, since it uses less digits than its factorization.

769480749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298 (or 5292 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 769480749 is about 27739.5160195703. The cubic root of 769480749 is about 916.3595698274.

The spelling of 769480749 in words is "seven hundred sixty-nine million, four hundred eighty thousand, seven hundred forty-nine".

Divisors: 1 3 9 27 37 111 151 333 453 999 1359 4077 5101 5587 15303 16761 45909 50283 137727 150849 188737 566211 770251 1698633 2310753 5095899 6932259 20796777 28499287 85497861 256493583 769480749