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290482 = 2612381
BaseRepresentation
bin1000110111010110010
3112202110121
41012322302
533243412
610120454
72316613
oct1067262
9482417
10290482
11189275
1212012a
13a22aa
1477c0a
155b107
hex46eb2

290482 has 8 divisors (see below), whose sum is σ = 443052. Its totient is φ = 142800.

The previous prime is 290473. The next prime is 290489. The reversal of 290482 is 284092.

It can be written as a sum of positive squares in 2 ways, for example, as 175561 + 114921 = 419^2 + 339^2 .

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

It is not an unprimeable number, because it can be changed into a prime (290489) 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, 1069 + ... + 1312.

2290482 is an apocalyptic number.

290482 is a deficient number, since it is larger than the sum of its proper divisors (152570).

290482 is a wasteful number, since it uses less digits than its factorization.

290482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 290482 is about 538.9638206782. The cubic root of 290482 is about 66.2277105508.

The spelling of 290482 in words is "two hundred ninety thousand, four hundred eighty-two".

Divisors: 1 2 61 122 2381 4762 145241 290482