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1348409 is a prime number
BaseRepresentation
bin101001001001100111001
32112111200002
411021030321
5321122114
644522345
714314136
oct5111471
92474602
101348409
11841097
125503b5
1338299a
1427158d
151b97de
hex149339

1348409 has 2 divisors, whose sum is σ = 1348410. Its totient is φ = 1348408.

The previous prime is 1348393. The next prime is 1348427. The reversal of 1348409 is 9048431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 2809 = 1160^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348409 - 24 = 1348393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1348489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674204 + 674205.

It is an arithmetic number, because the mean of its divisors is an integer number (674205).

21348409 is an apocalyptic number.

It is an amenable number.

1348409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348409 is an equidigital number, since it uses as much as digits as its factorization.

1348409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1348409 is about 1161.2101446336. The cubic root of 1348409 is about 110.4775108987.

The spelling of 1348409 in words is "one million, three hundred forty-eight thousand, four hundred nine".