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BaseRepresentation
bin101100110011111111001
32202121021112
411212133321
5333442114
651250105
715324035
oct5463771
92677245
101468409
11913268
125a9935
133c54a7
142a31c5
151e013e
hex1667f9

1468409 has 6 divisors (see below), whose sum is σ = 1560174. Its totient is φ = 1381760.

The previous prime is 1468403. The next prime is 1468427. The reversal of 1468409 is 9048641.

It can be written as a sum of positive squares in 3 ways, for example, as 319225 + 1149184 = 565^2 + 1072^2 .

It is not a de Polignac number, because 1468409 - 216 = 1402873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1468403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2252 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (260029).

21468409 is an apocalyptic number.

It is an amenable number.

1468409 is a deficient number, since it is larger than the sum of its proper divisors (91765).

1468409 is an equidigital number, since it uses as much as digits as its factorization.

1468409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1468409 is about 1211.7792703294. The cubic root of 1468409 is about 113.6621009146.

The spelling of 1468409 in words is "one million, four hundred sixty-eight thousand, four hundred nine".

Divisors: 1 17 289 5081 86377 1468409