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481489 is a prime number
BaseRepresentation
bin1110101100011010001
3220110110221
41311203101
5110401424
614153041
74043521
oct1654321
9813427
10481489
112a9828
121b2781
1313b208
14c7681
15979e4
hex758d1

481489 has 2 divisors, whose sum is σ = 481490. Its totient is φ = 481488.

The previous prime is 481469. The next prime is 481501. The reversal of 481489 is 984184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321489 + 160000 = 567^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 481489 - 211 = 479441 is a prime.

481489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (481409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240744 + 240745.

It is an arithmetic number, because the mean of its divisors is an integer number (240745).

2481489 is an apocalyptic number.

It is an amenable number.

481489 is a deficient number, since it is larger than the sum of its proper divisors (1).

481489 is an equidigital number, since it uses as much as digits as its factorization.

481489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 481489 is about 693.8940841368. The cubic root of 481489 is about 78.3782308885.

The spelling of 481489 in words is "four hundred eighty-one thousand, four hundred eighty-nine".