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290198 = 2413539
BaseRepresentation
bin1000110110110010110
3112202002002
41012312112
533241243
610115302
72316026
oct1066626
9482062
10290198
11189037
1211bb32
13a211c
1477a86
155aeb8
hex46d96

290198 has 8 divisors (see below), whose sum is σ = 446040. Its totient is φ = 141520.

The previous prime is 290189. The next prime is 290201. The reversal of 290198 is 891092.

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

It is a self number, because there is not a number n which added to its sum of digits gives 290198.

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 290198.

It is an unprimeable number.

290198 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 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 1851.

It is an arithmetic number, because the mean of its divisors is an integer number (55755).

2290198 is an apocalyptic number.

290198 is a deficient number, since it is larger than the sum of its proper divisors (155842).

290198 is a wasteful number, since it uses less digits than its factorization.

290198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 290198 is about 538.7002877296. The cubic root of 290198 is about 66.2061202253.

The spelling of 290198 in words is "two hundred ninety thousand, one hundred ninety-eight".

Divisors: 1 2 41 82 3539 7078 145099 290198