Search a number
-
+
1323144342 = 233131884821
BaseRepresentation
bin100111011011101…
…1001010010010110
310102012201200211000
41032313121102112
510202211104332
6335143324130
744534353452
oct11667312226
93365650730
101323144342
11619975a23
1230b150646
1318117c660
14c7a27662
157b262b7c
hex4edd9496

1323144342 has 32 divisors (see below), whose sum is σ = 3166500960. Its totient is φ = 407121120.

The previous prime is 1323144307. The next prime is 1323144349. The reversal of 1323144342 is 2434413231.

1323144342 is a `hidden beast` number, since 1 + 3 + 2 + 314 + 4 + 342 = 666.

It is a super-2 number, since 2×13231443422 = 3501421899533225928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323144349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941709 + ... + 943112.

It is an arithmetic number, because the mean of its divisors is an integer number (98953155).

Almost surely, 21323144342 is an apocalyptic number.

1323144342 is an abundant number, since it is smaller than the sum of its proper divisors (1843356618).

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

1323144342 is a wasteful number, since it uses less digits than its factorization.

1323144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884845 (or 1884839 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1323144342 is about 36375.0510927476. The cubic root of 1323144342 is about 1097.8316353272.

Adding to 1323144342 its reverse (2434413231), we get a palindrome (3757557573).

The spelling of 1323144342 in words is "one billion, three hundred twenty-three million, one hundred forty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 1884821 3769642 5654463 11308926 16963389 24502673 33926778 49005346 50890167 73508019 101780334 147016038 220524057 441048114 661572171 1323144342