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289002 = 2372983
BaseRepresentation
bin1000110100011101010
3112200102210
41012203222
533222002
610105550
72312400
oct1064352
9480383
10289002
1118814a
1211b2b6
13a170c
1477470
155a96c
hex468ea

289002 has 24 divisors (see below), whose sum is σ = 673056. Its totient is φ = 82488.

The previous prime is 289001. The next prime is 289019. The reversal of 289002 is 200982.

289002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 289002.

It is not an unprimeable number, because it can be changed into a prime (289001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198 + ... + 785.

It is an arithmetic number, because the mean of its divisors is an integer number (28044).

2289002 is an apocalyptic number.

289002 is an abundant number, since it is smaller than the sum of its proper divisors (384054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289002 is a wasteful number, since it uses less digits than its factorization.

289002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 289002 is about 537.5890623887. The cubic root of 289002 is about 66.1150426984.

Adding to 289002 its reverse (200982), we get a palindrome (489984).

The spelling of 289002 in words is "two hundred eighty-nine thousand, two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 983 1966 2949 5898 6881 13762 20643 41286 48167 96334 144501 289002