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289108 = 2272277
BaseRepresentation
bin1000110100101010100
3112200120201
41012211110
533222413
610110244
72312611
oct1064524
9480521
10289108
11188236
1211b384
13a1791
1477508
155a9dd
hex46954

289108 has 6 divisors (see below), whose sum is σ = 505946. Its totient is φ = 144552.

The previous prime is 289103. The next prime is 289109. The reversal of 289108 is 801982.

289108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 6084 = 532^2 + 78^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 36135 + ... + 36142.

2289108 is an apocalyptic number.

It is an amenable number.

289108 is a deficient number, since it is larger than the sum of its proper divisors (216838).

289108 is a wasteful number, since it uses less digits than its factorization.

289108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72281 (or 72279 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 289108 is about 537.6876416657. The cubic root of 289108 is about 66.1231249238.

The spelling of 289108 in words is "two hundred eighty-nine thousand, one hundred eight".

Divisors: 1 2 4 72277 144554 289108