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164531226 = 2327421871
BaseRepresentation
bin10011100111010…
…00110000011010
3102110121001102010
421303220300122
5314104444401
624154250350
74035330606
oct1163506032
9373531363
10164531226
1184967822
12471269b6
1328119072
1417bcc506
15e69eed6
hex9ce8c1a

164531226 has 8 divisors (see below), whose sum is σ = 329062464. Its totient is φ = 54843740.

The previous prime is 164531221. The next prime is 164531243. The reversal of 164531226 is 622135461.

It is a sphenic number, since it is the product of 3 distinct primes.

164531226 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164531193 and 164531202.

It is not an unprimeable number, because it can be changed into a prime (164531221) 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 3 ways as a sum of consecutive naturals, for example, 13710930 + ... + 13710941.

It is an arithmetic number, because the mean of its divisors is an integer number (41132808).

Almost surely, 2164531226 is an apocalyptic number.

164531226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164531226 is a wasteful number, since it uses less digits than its factorization.

164531226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27421876.

The product of its digits is 8640, while the sum is 30.

The square root of 164531226 is about 12826.9725968367. The cubic root of 164531226 is about 547.9607414112.

Adding to 164531226 its reverse (622135461), we get a palindrome (786666687).

The spelling of 164531226 in words is "one hundred sixty-four million, five hundred thirty-one thousand, two hundred twenty-six".

Divisors: 1 2 3 6 27421871 54843742 82265613 164531226