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1481489 is a prime number
BaseRepresentation
bin101101001101100010001
32210021012222
411221230101
5334401424
651430425
715410132
oct5515421
92707188
101481489
11922079
125b5415
133cb429
142a7c89
151e3e5e
hex169b11

1481489 has 2 divisors, whose sum is σ = 1481490. Its totient is φ = 1481488.

The previous prime is 1481483. The next prime is 1481497. The reversal of 1481489 is 9841841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 400 = 1217^2 + 20^2 .

It is an emirp because it is prime and its reverse (9841841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1481489 - 212 = 1477393 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1481483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740744 + 740745.

It is an arithmetic number, because the mean of its divisors is an integer number (740745).

21481489 is an apocalyptic number.

It is an amenable number.

1481489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481489 is an equidigital number, since it uses as much as digits as its factorization.

1481489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 1481489 is about 1217.1643274431. The cubic root of 1481489 is about 113.9985892921.

The spelling of 1481489 in words is "one million, four hundred eighty-one thousand, four hundred eighty-nine".