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1332989 = 7191997
BaseRepresentation
bin101000101011011111101
32111201111222
411011123331
5320123424
644323125
714221160
oct5053375
92451458
101332989
11830549
125434a5
13378968
14269ad7
151b4e5e
hex1456fd

1332989 has 8 divisors (see below), whose sum is σ = 1532928. Its totient is φ = 1135440.

The previous prime is 1332979. The next prime is 1332997. The reversal of 1332989 is 9892331.

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

It is a cyclic number.

It is not a de Polignac number, because 1332989 - 24 = 1332973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 1835.

It is an arithmetic number, because the mean of its divisors is an integer number (191616).

21332989 is an apocalyptic number.

It is an amenable number.

1332989 is a deficient number, since it is larger than the sum of its proper divisors (199939).

1332989 is an equidigital number, since it uses as much as digits as its factorization.

1332989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195.

The product of its digits is 11664, while the sum is 35.

The square root of 1332989 is about 1154.5514280447. The cubic root of 1332989 is about 110.0547661173.

The spelling of 1332989 in words is "one million, three hundred thirty-two thousand, nine hundred eighty-nine".

Divisors: 1 7 191 997 1337 6979 190427 1332989