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290008 = 2336251
BaseRepresentation
bin1000110110011011000
3112201211001
41012303120
533240013
610114344
72315335
oct1066330
9481731
10290008
11188984
1211b9b4
13a2004
147798c
155addd
hex46cd8

290008 has 8 divisors (see below), whose sum is σ = 543780. Its totient is φ = 145000.

The previous prime is 289999. The next prime is 290011. The reversal of 290008 is 800092.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18118 + ... + 18133.

2290008 is an apocalyptic number.

It is an amenable number.

290008 is a deficient number, since it is larger than the sum of its proper divisors (253772).

290008 is a wasteful number, since it uses less digits than its factorization.

290008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36257 (or 36253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 290008 is about 538.5239084758. The cubic root of 290008 is about 66.1916681281.

The spelling of 290008 in words is "two hundred ninety thousand, eight".

Divisors: 1 2 4 8 36251 72502 145004 290008