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164713218 = 23263104381
BaseRepresentation
bin10011101000101…
…01001100000010
3102110221022001120
421310111030002
5314131310333
624202213110
74040016315
oct1164251402
9373838046
10164713218
1184a8152a
12471b4196
1328180b57
1417c3897c
15e6d8db3
hex9d15302

164713218 has 16 divisors (see below), whose sum is σ = 330682176. Its totient is φ = 54695120.

The previous prime is 164713217. The next prime is 164713229. The reversal of 164713218 is 812317461.

164713218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164713217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50613 + ... + 53768.

It is an arithmetic number, because the mean of its divisors is an integer number (20667636).

Almost surely, 2164713218 is an apocalyptic number.

164713218 is an abundant number, since it is smaller than the sum of its proper divisors (165968958).

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

164713218 is a wasteful number, since it uses less digits than its factorization.

164713218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104649.

The product of its digits is 8064, while the sum is 33.

The square root of 164713218 is about 12834.0647497198. The cubic root of 164713218 is about 548.1627045421.

The spelling of 164713218 in words is "one hundred sixty-four million, seven hundred thirteen thousand, two hundred eighteen".

Divisors: 1 2 3 6 263 526 789 1578 104381 208762 313143 626286 27452203 54904406 82356609 164713218