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290479369 is a prime number
BaseRepresentation
bin10001010100000…
…101110100001001
3202020120212210011
4101110011310021
51043330314434
644453551521
710125014425
oct2124056411
9666525704
10290479369
11139a714a4
12813455a1
13482464ab
142a815b85
151a77ce64
hex11505d09

290479369 has 2 divisors, whose sum is σ = 290479370. Its totient is φ = 290479368.

The previous prime is 290479367. The next prime is 290479403. The reversal of 290479369 is 963974092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289408144 + 1071225 = 17012^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 290479369 - 21 = 290479367 is a prime.

It is a super-2 number, since 2×2904793692 = 168756527629276322, which contains 22 as substring.

Together with 290479367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (290479363) 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 as a sum of consecutive naturals, namely, 145239684 + 145239685.

It is an arithmetic number, because the mean of its divisors is an integer number (145239685).

Almost surely, 2290479369 is an apocalyptic number.

It is an amenable number.

290479369 is a deficient number, since it is larger than the sum of its proper divisors (1).

290479369 is an equidigital number, since it uses as much as digits as its factorization.

290479369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 290479369 is about 17043.4553128173. The cubic root of 290479369 is about 662.2751060080.

It can be divided in two parts, 29047 and 9369, that added together give a 4-th power (38416 = 144).

The spelling of 290479369 in words is "two hundred ninety million, four hundred seventy-nine thousand, three hundred sixty-nine".