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290213 = 7113769
BaseRepresentation
bin1000110110110100101
3112202002122
41012312211
533241323
610115325
72316050
oct1066645
9482078
10290213
11189050
1211bb45
13a2131
1477a97
155aec8
hex46da5

290213 has 8 divisors (see below), whose sum is σ = 361920. Its totient is φ = 226080.

The previous prime is 290209. The next prime is 290219. The reversal of 290213 is 312092.

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

It is a cyclic number.

It is not a de Polignac number, because 290213 - 22 = 290209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290191 and 290200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290219) 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, 1808 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (45240).

2290213 is an apocalyptic number.

It is an amenable number.

290213 is a deficient number, since it is larger than the sum of its proper divisors (71707).

290213 is a wasteful number, since it uses less digits than its factorization.

290213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 290213 is about 538.7142099481. The cubic root of 290213 is about 66.2072609117.

The spelling of 290213 in words is "two hundred ninety thousand, two hundred thirteen".

Divisors: 1 7 11 77 3769 26383 41459 290213