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289107 = 32713353
BaseRepresentation
bin1000110100101010011
3112200120200
41012211103
533222412
610110243
72312610
oct1064523
9480520
10289107
11188235
1211b383
13a1790
1477507
155a9dc
hex46953

289107 has 24 divisors (see below), whose sum is σ = 515424. Its totient is φ = 152064.

The previous prime is 289103. The next prime is 289109. The reversal of 289107 is 701982.

It is not a de Polignac number, because 289107 - 22 = 289103 is a prime.

289107 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289107.

It is not an unprimeable number, because it can be changed into a prime (289103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (21476).

2289107 is an apocalyptic number.

289107 is a deficient number, since it is larger than the sum of its proper divisors (226317).

289107 is a wasteful number, since it uses less digits than its factorization.

289107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 289107 is about 537.6867117569. The cubic root of 289107 is about 66.1230486856.

The spelling of 289107 in words is "two hundred eighty-nine thousand, one hundred seven".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 353 819 1059 2471 3177 4589 7413 13767 22239 32123 41301 96369 289107