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1330101 = 3416421
BaseRepresentation
bin101000100101110110101
32111120120000
411010232311
5320030401
644301513
714206563
oct5045665
92446500
101330101
11829363
12541899
13377556
14268a33
151b4186
hex144bb5

1330101 has 10 divisors (see below), whose sum is σ = 1987062. Its totient is φ = 886680.

The previous prime is 1330093. The next prime is 1330103. The reversal of 1330101 is 1010331.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 599076 = 855^2 + 774^2 .

It is not a de Polignac number, because 1330101 - 23 = 1330093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8130 + ... + 8291.

21330101 is an apocalyptic number.

It is an amenable number.

1330101 is a deficient number, since it is larger than the sum of its proper divisors (656961).

1330101 is an equidigital number, since it uses as much as digits as its factorization.

1330101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433 (or 16424 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1330101 is about 1153.3000476892. The cubic root of 1330101 is about 109.9752285818.

Adding to 1330101 its reverse (1010331), we get a palindrome (2340432).

It can be divided in two parts, 1330 and 101, that added together give a triangular number (1431 = T53).

The spelling of 1330101 in words is "one million, three hundred thirty thousand, one hundred one".

Divisors: 1 3 9 27 81 16421 49263 147789 443367 1330101