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290382686 = 21113199213
BaseRepresentation
bin10001010011101…
…110001101011110
3202020101222011022
4101103232031132
51043314221221
644451524142
710124132516
oct2123561536
9666358138
10290382686
11139a058a0
12812b9652
1348211499
142a7cc846
151a75e4ab
hex114ee35e

290382686 has 8 divisors (see below), whose sum is σ = 475171704. Its totient is φ = 131992120.

The previous prime is 290382683. The next prime is 290382689. The reversal of 290382686 is 686283092.

It is an interprime number because it is at equal distance from previous prime (290382683) and next prime (290382689).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290382683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6599585 + ... + 6599628.

It is an arithmetic number, because the mean of its divisors is an integer number (59396463).

Almost surely, 2290382686 is an apocalyptic number.

290382686 is a deficient number, since it is larger than the sum of its proper divisors (184789018).

290382686 is a wasteful number, since it uses less digits than its factorization.

290382686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199226.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 290382686 is about 17040.6187094248. The cubic root of 290382686 is about 662.2016207555.

The spelling of 290382686 in words is "two hundred ninety million, three hundred eighty-two thousand, six hundred eighty-six".

Divisors: 1 2 11 22 13199213 26398426 145191343 290382686