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769628241 = 3285514249
BaseRepresentation
bin101101110111111…
…001100001010001
31222122012011110200
4231313321201101
53034011100431
6204211445413
725033506054
oct5567714121
91878164420
10769628241
113654870a8
121958b6869
13c35aa935
1474300a9b
1547877ee6
hex2ddf9851

769628241 has 6 divisors (see below), whose sum is σ = 1111685250. Its totient is φ = 513085488.

The previous prime is 769628239. The next prime is 769628281. The reversal of 769628241 is 142826967.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 510579216 + 259049025 = 22596^2 + 16095^2 .

It is not a de Polignac number, because 769628241 - 21 = 769628239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (769628281) 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 5 ways as a sum of consecutive naturals, for example, 42757116 + ... + 42757133.

It is an arithmetic number, because the mean of its divisors is an integer number (185280875).

Almost surely, 2769628241 is an apocalyptic number.

It is an amenable number.

769628241 is a deficient number, since it is larger than the sum of its proper divisors (342057009).

769628241 is a wasteful number, since it uses less digits than its factorization.

769628241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85514255 (or 85514252 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 769628241 is about 27742.1744100927. The cubic root of 769628241 is about 916.4181145328.

It can be divided in two parts, 7696 and 28241, that added together give a cube (35937 = 333).

The spelling of 769628241 in words is "seven hundred sixty-nine million, six hundred twenty-eight thousand, two hundred forty-one".

Divisors: 1 3 9 85514249 256542747 769628241