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290474 = 2311467
BaseRepresentation
bin1000110111010101010
3112202110022
41012322222
533243344
610120442
72316602
oct1067252
9482408
10290474
11189268
12120122
13a22a2
1477c02
155b0ee
hex46eaa

290474 has 8 divisors (see below), whose sum is σ = 438048. Its totient is φ = 144460.

The previous prime is 290473. The next prime is 290489. The reversal of 290474 is 474092.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 290474.

It is not an unprimeable number, because it can be changed into a prime (290471) 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, 389 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (54756).

2290474 is an apocalyptic number.

290474 is a deficient number, since it is larger than the sum of its proper divisors (147574).

290474 is a wasteful number, since it uses less digits than its factorization.

290474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 290474 is about 538.9563989786. The cubic root of 290474 is about 66.2271025653.

The spelling of 290474 in words is "two hundred ninety thousand, four hundred seventy-four".

Divisors: 1 2 311 467 622 934 145237 290474