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324468169 = 180132
BaseRepresentation
bin10011010101101…
…111110111001001
3211121112200122121
4103111233313021
51131030440134
652110251241
711016635224
oct2325576711
9747480577
10324468169
11157176813
12907b6b21
13522b6bcc
14311425bb
151d743ab4
hex1356fdc9

324468169 has 3 divisors (see below), whose sum is σ = 324486183. Its totient is φ = 324450156.

The previous prime is 324468161. The next prime is 324468217. The reversal of 324468169 is 961864423.

It is a happy number.

The square root of 324468169 is 18013.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 961864423 = 1373989571.

It can be written as a sum of positive squares in only one way, i.e., 301543225 + 22924944 = 17365^2 + 4788^2 .

It is not a de Polignac number, because 324468169 - 23 = 324468161 is a prime.

It is a super-2 number, since 2×3244681692 = 210559185388425122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324468161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9007 + ... + 27019.

It is an arithmetic number, because the mean of its divisors is an integer number (108162061).

Almost surely, 2324468169 is an apocalyptic number.

324468169 is the 18013-rd square number.

324468169 is the 9007-th centered octagonal number.

It is an amenable number.

324468169 is a deficient number, since it is larger than the sum of its proper divisors (18014).

324468169 is an frugal number, since it uses more digits than its factorization.

324468169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36026 (or 18013 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The cubic root of 324468169 is about 687.1592009645.

The spelling of 324468169 in words is "three hundred twenty-four million, four hundred sixty-eight thousand, one hundred sixty-nine".

Divisors: 1 18013 324468169