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164612 = 2275879
BaseRepresentation
bin101000001100000100
322100210202
4220030010
520231422
63310032
71253630
oct501404
9270722
10164612
11102748
127b318
1359c06
1443dc0
1533b92
hex28304

164612 has 12 divisors (see below), whose sum is σ = 329280. Its totient is φ = 70536.

The previous prime is 164599. The next prime is 164617. The reversal of 164612 is 216461.

It is a happy number.

164612 is an admirable number.

It is a super-2 number, since 2×1646122 = 54194221088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164617) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2912 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (27440).

2164612 is an apocalyptic number.

It is an amenable number.

164612 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.

164612 is a wasteful number, since it uses less digits than its factorization.

164612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890 (or 5888 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 164612 is about 405.7240441482. The cubic root of 164612 is about 54.8050397624.

The spelling of 164612 in words is "one hundred sixty-four thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 5879 11758 23516 41153 82306 164612