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1330531223 = 7296554341
BaseRepresentation
bin100111101001110…
…0100101110010111
310102201121222201012
41033103210232113
510211103444343
6340005522435
744654220530
oct11723445627
93381558635
101330531223
1162306088a
1231171341b
131828679a8
14c89cb687
157bc21718
hex4f4e4b97

1330531223 has 8 divisors (see below), whose sum is σ = 1573042080. Its totient is φ = 1101129120.

The previous prime is 1330531219. The next prime is 1330531229. The reversal of 1330531223 is 3221350331.

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

It is not a de Polignac number, because 1330531223 - 22 = 1330531219 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 (1330531229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3276968 + ... + 3277373.

It is an arithmetic number, because the mean of its divisors is an integer number (196630260).

Almost surely, 21330531223 is an apocalyptic number.

1330531223 is a deficient number, since it is larger than the sum of its proper divisors (242510857).

1330531223 is an equidigital number, since it uses as much as digits as its factorization.

1330531223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554377.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1330531223 is about 36476.4475106883. The cubic root of 1330531223 is about 1099.8708451667.

Adding to 1330531223 its reverse (3221350331), we get a palindrome (4551881554).

The spelling of 1330531223 in words is "one billion, three hundred thirty million, five hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 7 29 203 6554341 45880387 190075889 1330531223