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324420231 = 31719267263
BaseRepresentation
bin10011010101100…
…100001010000111
3211121110020220010
4103111210022013
51131022421411
652105241303
711016345402
oct2325441207
9747406803
10324420231
111571437a3
1290793233
135229b145
143112cd39
151d7347a6
hex13564287

324420231 has 48 divisors (see below), whose sum is σ = 492459264. Its totient is φ = 189243648.

The previous prime is 324420227. The next prime is 324420241. The reversal of 324420231 is 132024423.

It is not a de Polignac number, because 324420231 - 22 = 324420227 is a prime.

It is a super-2 number, since 2×3244202312 = 210496972564186722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 324420198 and 324420207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324420211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1233406 + ... + 1233668.

It is an arithmetic number, because the mean of its divisors is an integer number (10259568).

Almost surely, 2324420231 is an apocalyptic number.

324420231 is a deficient number, since it is larger than the sum of its proper divisors (168039033).

324420231 is a wasteful number, since it uses less digits than its factorization.

324420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 324420231 is about 18011.6693007617. The cubic root of 324420231 is about 687.1253582404.

Adding to 324420231 its reverse (132024423), we get a palindrome (456444654).

The spelling of 324420231 in words is "three hundred twenty-four million, four hundred twenty thousand, two hundred thirty-one".

Divisors: 1 3 17 19 51 57 67 201 263 323 361 789 969 1083 1139 1273 3417 3819 4471 4997 6137 13413 14991 17621 18411 21641 24187 52863 64923 72561 84949 94943 254847 284829 299557 334799 411179 898671 1004397 1233537 1614031 4842093 5691583 6361181 17074749 19083543 108140077 324420231