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1330242 = 23221707
BaseRepresentation
bin101000100110001000010
32111120202020
411010301002
5320031432
644302310
714210154
oct5046102
92446666
101330242
11829481
12541996
13377634
14268ad4
151b422c
hex144c42

1330242 has 8 divisors (see below), whose sum is σ = 2660496. Its totient is φ = 443412.

The previous prime is 1330237. The next prime is 1330249. The reversal of 1330242 is 2420331.

It is a sphenic number, since it is the product of 3 distinct primes.

1330242 is an admirable number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (1330249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110848 + ... + 110859.

It is an arithmetic number, because the mean of its divisors is an integer number (332562).

21330242 is an apocalyptic number.

1330242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330242 is a wasteful number, since it uses less digits than its factorization.

1330242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221712.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1330242 is about 1153.3611750011. The cubic root of 1330242 is about 109.9791144921.

Adding to 1330242 its reverse (2420331), we get a palindrome (3750573).

The spelling of 1330242 in words is "one million, three hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 221707 443414 665121 1330242