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1331169 = 3763389
BaseRepresentation
bin101000100111111100001
32111122000120
411010333201
5320044134
644310453
714212650
oct5047741
92448016
101331169
1182a144
12542429
13377b98
14269197
151b4649
hex144fe1

1331169 has 8 divisors (see below), whose sum is σ = 2028480. Its totient is φ = 760656.

The previous prime is 1331153. The next prime is 1331207. The reversal of 1331169 is 9611331.

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

It is not a de Polignac number, because 1331169 - 24 = 1331153 is a prime.

It is a super-2 number, since 2×13311692 = 3544021813122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1331119) 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, 31674 + ... + 31715.

It is an arithmetic number, because the mean of its divisors is an integer number (253560).

21331169 is an apocalyptic number.

It is an amenable number.

1331169 is a deficient number, since it is larger than the sum of its proper divisors (697311).

1331169 is an equidigital number, since it uses as much as digits as its factorization.

1331169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63399.

The product of its digits is 486, while the sum is 24.

The square root of 1331169 is about 1153.7629739249. The cubic root of 1331169 is about 110.0046554504.

The spelling of 1331169 in words is "one million, three hundred thirty-one thousand, one hundred sixty-nine".

Divisors: 1 3 7 21 63389 190167 443723 1331169