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1331049 = 31726099
BaseRepresentation
bin101000100111101101001
32111121212010
411010331221
5320043144
644310133
714212416
oct5047551
92447763
101331049
1182a045
12542349
13377b05
1426910d
151b45b9
hex144f69

1331049 has 8 divisors (see below), whose sum is σ = 1879200. Its totient is φ = 835136.

The previous prime is 1331041. The next prime is 1331051. The reversal of 1331049 is 9401331.

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 1331049 - 23 = 1331041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331041) 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 7 ways as a sum of consecutive naturals, for example, 12999 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (234900).

21331049 is an apocalyptic number.

It is an amenable number.

1331049 is a deficient number, since it is larger than the sum of its proper divisors (548151).

1331049 is a wasteful number, since it uses less digits than its factorization.

1331049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26119.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1331049 is about 1153.7109690039. The cubic root of 1331049 is about 110.0013498457.

The spelling of 1331049 in words is "one million, three hundred thirty-one thousand, forty-nine".

Divisors: 1 3 17 51 26099 78297 443683 1331049