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290015 = 5115273
BaseRepresentation
bin1000110110011011111
3112201211022
41012303133
533240030
610114355
72315345
oct1066337
9481738
10290015
11188990
1211b9bb
13a200b
1477995
155ade5
hex46cdf

290015 has 8 divisors (see below), whose sum is σ = 379728. Its totient is φ = 210880.

The previous prime is 290011. The next prime is 290021. The reversal of 290015 is 510092.

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

It is not a de Polignac number, because 290015 - 22 = 290011 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 289975 and 290002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290011) 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, 2582 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (47466).

2290015 is an apocalyptic number.

290015 is a deficient number, since it is larger than the sum of its proper divisors (89713).

290015 is a wasteful number, since it uses less digits than its factorization.

290015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 290015 is about 538.5304076837. The cubic root of 290015 is about 66.1922006858.

The spelling of 290015 in words is "two hundred ninety thousand, fifteen".

Divisors: 1 5 11 55 5273 26365 58003 290015