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1323130302 = 23413628267
BaseRepresentation
bin100111011011101…
…0101110110111110
310102012200222120000
41032313111312332
510202210132202
6335143135130
744534264514
oct11667256676
93365628500
101323130302
1161996641a
1230b1444a6
13181176150
14c7a224b4
157b25d91c
hex4edd5dbe

1323130302 has 40 divisors (see below), whose sum is σ = 3192857976. Its totient is φ = 407116368.

The previous prime is 1323130301. The next prime is 1323130309. The reversal of 1323130302 is 2030313231.

It is a super-2 number, since 2×13231303022 = 3501347592141222408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323130301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 312028 + ... + 316239.

Almost surely, 21323130302 is an apocalyptic number.

1323130302 is an abundant number, since it is smaller than the sum of its proper divisors (1869727674).

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

1323130302 is a wasteful number, since it uses less digits than its factorization.

1323130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628294 (or 628285 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1323130302 is about 36374.8581028160. The cubic root of 1323130302 is about 1097.8277522510.

Adding to 1323130302 its reverse (2030313231), we get a palindrome (3353443533).

The spelling of 1323130302 in words is "one billion, three hundred twenty-three million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 351 702 1053 2106 628267 1256534 1884801 3769602 5654403 8167471 11308806 16334942 16963209 24502413 33926418 49004826 50889627 73507239 101779254 147014478 220521717 441043434 661565151 1323130302