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1283417 is a prime number
BaseRepresentation
bin100111001010101011001
32102012111222
410321111121
5312032132
643301425
713623512
oct4712531
92365458
101283417
117a7283
1251a875
1335c225
14255a09
151a5412
hex139559

1283417 has 2 divisors, whose sum is σ = 1283418. Its totient is φ = 1283416.

The previous prime is 1283389. The next prime is 1283437. The reversal of 1283417 is 7143821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 151321 = 1064^2 + 389^2 .

It is an emirp because it is prime and its reverse (7143821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1283417 - 26 = 1283353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1283437) 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, 641708 + 641709.

It is an arithmetic number, because the mean of its divisors is an integer number (641709).

21283417 is an apocalyptic number.

It is an amenable number.

1283417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283417 is an equidigital number, since it uses as much as digits as its factorization.

1283417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 1283417 is about 1132.8799583363. The cubic root of 1283417 is about 108.6732351197.

The spelling of 1283417 in words is "one million, two hundred eighty-three thousand, four hundred seventeen".