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290814 = 23192551
BaseRepresentation
bin1000110111111111110
3112202220220
41012333332
533301224
610122210
72320566
oct1067776
9482826
10290814
11189547
12120366
13a24a4
1477da6
155b279
hex46ffe

290814 has 16 divisors (see below), whose sum is σ = 612480. Its totient is φ = 91800.

The previous prime is 290803. The next prime is 290821. The reversal of 290814 is 418092.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290814.

It is an unprimeable number.

290814 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (38280).

2290814 is an apocalyptic number.

290814 is an abundant number, since it is smaller than the sum of its proper divisors (321666).

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

290814 is a wasteful number, since it uses less digits than its factorization.

290814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 290814 is about 539.2717311338. The cubic root of 290814 is about 66.2529321118.

The spelling of 290814 in words is "two hundred ninety thousand, eight hundred fourteen".

Divisors: 1 2 3 6 19 38 57 114 2551 5102 7653 15306 48469 96938 145407 290814