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889497285 = 35232578253
BaseRepresentation
bin110101000001001…
…010011011000101
32021222202010212220
4311001022123011
53310202403120
6224133002553
731020413355
oct6501123305
92258663786
10889497285
11417109526
12209a83459
1311238a071
14861c4b65
1553154b40
hex3504a6c5

889497285 has 16 divisors (see below), whose sum is σ = 1485074304. Its totient is φ = 453772352.

The previous prime is 889497263. The next prime is 889497289. The reversal of 889497285 is 582794988.

It is a cyclic number.

It is not a de Polignac number, because 889497285 - 214 = 889480901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889497289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1288782 + ... + 1289471.

It is an arithmetic number, because the mean of its divisors is an integer number (92817144).

Almost surely, 2889497285 is an apocalyptic number.

It is an amenable number.

889497285 is a deficient number, since it is larger than the sum of its proper divisors (595577019).

889497285 is a wasteful number, since it uses less digits than its factorization.

889497285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578284.

The product of its digits is 11612160, while the sum is 60.

The square root of 889497285 is about 29824.4410676881. The cubic root of 889497285 is about 961.7190282670.

The spelling of 889497285 in words is "eight hundred eighty-nine million, four hundred ninety-seven thousand, two hundred eighty-five".

Divisors: 1 3 5 15 23 69 115 345 2578253 7734759 12891265 38673795 59299819 177899457 296499095 889497285