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290071 = 17113151
BaseRepresentation
bin1000110110100010111
3112201220101
41012310113
533240241
610114531
72315455
oct1066427
9481811
10290071
11188a31
1211ba47
13a2052
14779d5
155ae31
hex46d17

290071 has 8 divisors (see below), whose sum is σ = 311904. Its totient is φ = 268800.

The previous prime is 290057. The next prime is 290083. The reversal of 290071 is 170092.

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 290071 - 25 = 290039 is a prime.

It is a Duffinian number.

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, 1846 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (38988).

2290071 is an apocalyptic number.

290071 is a deficient number, since it is larger than the sum of its proper divisors (21833).

290071 is a wasteful number, since it uses less digits than its factorization.

290071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 290071 is about 538.5823985241. The cubic root of 290071 is about 66.1964608386.

The spelling of 290071 in words is "two hundred ninety thousand, seventy-one".

Divisors: 1 17 113 151 1921 2567 17063 290071