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289769268424 = 23197997184417
BaseRepresentation
bin1000011011101111001…
…10000010010011001000
31000200221112000000101211
410031313212002103020
514221421413042144
6341041305022504
726635516066516
oct4156746022310
91020845000354
10289769268424
1110198821a239
12481ab184a34
132142c3b719c
141004c4bb4b6
15780e426034
hex43779824c8

289769268424 has 32 divisors (see below), whose sum is σ = 546626017080. Its totient is φ = 144003815424.

The previous prime is 289769268421. The next prime is 289769268461. The reversal of 289769268424 is 424862967982.

It can be written as a sum of positive squares in 4 ways, for example, as 280974204900 + 8795063524 = 530070^2 + 93782^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 289769268424.

It is not an unprimeable number, because it can be changed into a prime (289769268421) 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 7 ways as a sum of consecutive naturals, for example, 1479064 + ... + 1663480.

Almost surely, 2289769268424 is an apocalyptic number.

It is an amenable number.

289769268424 is a deficient number, since it is larger than the sum of its proper divisors (256856748656).

289769268424 is a wasteful number, since it uses less digits than its factorization.

289769268424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185617 (or 185613 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 67.

The spelling of 289769268424 in words is "two hundred eighty-nine billion, seven hundred sixty-nine million, two hundred sixty-eight thousand, four hundred twenty-four".

Divisors: 1 2 4 8 197 394 788 997 1576 1994 3988 7976 184417 196409 368834 392818 737668 785636 1475336 1571272 36330149 72660298 145320596 183863749 290641192 367727498 735454996 1470909992 36221158553 72442317106 144884634212 289769268424