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1330801 = 11311777
BaseRepresentation
bin101000100111001110001
32111121111221
411010321301
5320041201
644305041
714211613
oct5047161
92447457
101330801
1182993a
12542181
13377974
14268db3
151b44a1
hex144e71

1330801 has 4 divisors (see below), whose sum is σ = 1342692. Its totient is φ = 1318912.

The previous prime is 1330789. The next prime is 1330831. The reversal of 1330801 is 1080331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1080331 = 7154333.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 952576 = 615^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330801 - 219 = 806513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5776 + ... + 6001.

It is an arithmetic number, because the mean of its divisors is an integer number (335673).

21330801 is an apocalyptic number.

It is an amenable number.

1330801 is a deficient number, since it is larger than the sum of its proper divisors (11891).

1330801 is a wasteful number, since it uses less digits than its factorization.

1330801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1330801 is about 1153.6034847381. The cubic root of 1330801 is about 109.9945176331.

The spelling of 1330801 in words is "one million, three hundred thirty thousand, eight hundred one".

Divisors: 1 113 11777 1330801