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164370 = 2355479
BaseRepresentation
bin101000001000010010
322100110210
4220020102
520224440
63304550
71253133
oct501022
9270423
10164370
11102548
127b156
1359a7b
1443c8a
1533a80
hex28212

164370 has 16 divisors (see below), whose sum is σ = 394560. Its totient is φ = 43824.

The previous prime is 164363. The next prime is 164371. The reversal of 164370 is 73461.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 164370.

It is not an unprimeable number, because it can be changed into a prime (164371) by changing a digit.

164370 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (24660).

2164370 is an apocalyptic number.

164370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164370 is an abundant number, since it is smaller than the sum of its proper divisors (230190).

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

164370 is a wasteful number, since it uses less digits than its factorization.

164370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 164370 is about 405.4257021946. The cubic root of 164370 is about 54.7781698617.

Subtracting from 164370 its reverse (73461), we obtain a palindrome (90909).

The spelling of 164370 in words is "one hundred sixty-four thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 5479 10958 16437 27395 32874 54790 82185 164370