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769307697 = 3285478633
BaseRepresentation
bin101101110110101…
…011010000110001
31222121120212202200
4231312223100301
53033420321242
6204200533413
725031002404
oct5566532061
91877525680
10769307697
11365288294
12195781269
13c34c7a72
1474259d3b
154781304c
hex2ddab431

769307697 has 6 divisors (see below), whose sum is σ = 1111222242. Its totient is φ = 512871792.

The previous prime is 769307683. The next prime is 769307713. The reversal of 769307697 is 796703967.

It can be written as a sum of positive squares in only one way, i.e., 532640241 + 236667456 = 23079^2 + 15384^2 .

It is not a de Polignac number, because 769307697 - 26 = 769307633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (769302697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42739308 + ... + 42739325.

It is an arithmetic number, because the mean of its divisors is an integer number (185203707).

Almost surely, 2769307697 is an apocalyptic number.

It is an amenable number.

769307697 is a deficient number, since it is larger than the sum of its proper divisors (341914545).

769307697 is a wasteful number, since it uses less digits than its factorization.

769307697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85478639 (or 85478636 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 54.

The square root of 769307697 is about 27736.3966116725. The cubic root of 769307697 is about 916.2908699300.

The spelling of 769307697 in words is "seven hundred sixty-nine million, three hundred seven thousand, six hundred ninety-seven".

Divisors: 1 3 9 85478633 256435899 769307697