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290005319 = 331876149
BaseRepresentation
bin10001010010010…
…010000101000111
3202012200210111202
4101102102011013
51043220132234
644435453115
710121001362
oct2122220507
9665623452
10290005319
1113977831a
128115719b
134810b7a6
142a7310d9
151a6d777e
hex11492147

290005319 has 4 divisors (see below), whose sum is σ = 290881800. Its totient is φ = 289128840.

The previous prime is 290005301. The next prime is 290005349. The reversal of 290005319 is 913500092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 290005319 - 28 = 290005063 is a prime.

It is a super-2 number, since 2×2900053192 = 168206170096583522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290005291 and 290005300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290005349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437744 + ... + 438405.

It is an arithmetic number, because the mean of its divisors is an integer number (72720450).

Almost surely, 2290005319 is an apocalyptic number.

290005319 is a deficient number, since it is larger than the sum of its proper divisors (876481).

290005319 is an equidigital number, since it uses as much as digits as its factorization.

290005319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876480.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 290005319 is about 17029.5425364277. The cubic root of 290005319 is about 661.9146415623.

The spelling of 290005319 in words is "two hundred ninety million, five thousand, three hundred nineteen".

Divisors: 1 331 876149 290005319