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164244 = 22313687
BaseRepresentation
bin101000000110010100
322100022010
4220012110
520223434
63304220
71252563
oct500624
9270263
10164244
11102443
127b070
13599b2
1443bda
15339e9
hex28194

164244 has 12 divisors (see below), whose sum is σ = 383264. Its totient is φ = 54744.

The previous prime is 164239. The next prime is 164249. The reversal of 164244 is 442461.

It is an interprime number because it is at equal distance from previous prime (164239) and next prime (164249).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 164244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6832 + ... + 6855.

2164244 is an apocalyptic number.

It is an amenable number.

164244 is an abundant number, since it is smaller than the sum of its proper divisors (219020).

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

164244 is a wasteful number, since it uses less digits than its factorization.

164244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13694 (or 13692 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 164244 is about 405.2702801835. The cubic root of 164244 is about 54.7641693065.

The spelling of 164244 in words is "one hundred sixty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13687 27374 41061 54748 82122 164244