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2290471 is a prime number
BaseRepresentation
bin1000101111001100100111
311022100221021
420233030213
51041243341
6121032011
725316521
oct10571447
94270837
102290471
111324957
12925607
13622711
14438a11
153039d1
hex22f327

2290471 has 2 divisors, whose sum is σ = 2290472. Its totient is φ = 2290470.

The previous prime is 2290459. The next prime is 2290493. The reversal of 2290471 is 1740922.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2290471 is a prime.

It is a super-3 number, since 3×22904713 = 36049201312356471333, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2290441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145235 + 1145236.

It is an arithmetic number, because the mean of its divisors is an integer number (1145236).

22290471 is an apocalyptic number.

2290471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290471 is an equidigital number, since it uses as much as digits as its factorization.

2290471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2290471 is about 1513.4302098214. The cubic root of 2290471 is about 131.8180650884.

The spelling of 2290471 in words is "two million, two hundred ninety thousand, four hundred seventy-one".