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102289 = 1117547
BaseRepresentation
bin11000111110010001
312012022111
4120332101
511233124
62105321
7604135
oct307621
9165274
10102289
116a940
124b241
1337735
14293c5
1520494
hex18f91

102289 has 8 divisors (see below), whose sum is σ = 118368. Its totient is φ = 87360.

The previous prime is 102259. The next prime is 102293. The reversal of 102289 is 982201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102289 - 27 = 102161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 460.

It is an arithmetic number, because the mean of its divisors is an integer number (14796).

2102289 is an apocalyptic number.

It is an amenable number.

102289 is a deficient number, since it is larger than the sum of its proper divisors (16079).

102289 is a wasteful number, since it uses less digits than its factorization.

102289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 102289 is about 319.8265154736. The cubic root of 102289 is about 46.7673732221.

It can be divided in two parts, 1022 and 89, that added together give a palindrome (1111).

The spelling of 102289 in words is "one hundred two thousand, two hundred eighty-nine".

Divisors: 1 11 17 187 547 6017 9299 102289