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164321105 = 51329179487
BaseRepresentation
bin10011100101101…
…01011101010001
3102110012101011212
421302311131101
5314031233410
624145545505
74033464164
oct1162653521
9373171155
10164321105
1184833973
1247045295
1328074530
1417b75adb
15e65cb05
hex9cb5751

164321105 has 32 divisors (see below), whose sum is σ = 221356800. Its totient is φ = 116266752.

The previous prime is 164321093. The next prime is 164321117. The reversal of 164321105 is 501123461.

It is an interprime number because it is at equal distance from previous prime (164321093) and next prime (164321117).

It is a cyclic number.

It is not a de Polignac number, because 164321105 - 24 = 164321089 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337172 + ... + 337658.

It is an arithmetic number, because the mean of its divisors is an integer number (6917400).

Almost surely, 2164321105 is an apocalyptic number.

It is an amenable number.

164321105 is a deficient number, since it is larger than the sum of its proper divisors (57035695).

164321105 is a wasteful number, since it uses less digits than its factorization.

164321105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 164321105 is about 12818.7793880697. The cubic root of 164321105 is about 547.7273771833.

Adding to 164321105 its reverse (501123461), we get a palindrome (665444566).

The spelling of 164321105 in words is "one hundred sixty-four million, three hundred twenty-one thousand, one hundred five".

Divisors: 1 5 13 29 65 145 179 377 487 895 1885 2327 2435 5191 6331 11635 14123 25955 31655 67483 70615 87173 183599 337415 435865 917995 1133249 2528017 5666245 12640085 32864221 164321105