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169328 = 2419557
BaseRepresentation
bin101001010101110000
322121021102
4221111300
520404303
63343532
71303445
oct512560
9277242
10169328
11106245
1281ba8
135c0c3
14459cc
1535288
hex29570

169328 has 20 divisors (see below), whose sum is σ = 345960. Its totient is φ = 80064.

The previous prime is 169327. The next prime is 169339. The reversal of 169328 is 823961.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 169328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169321) 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, 26 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (17298).

2169328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172980).

169328 is an abundant number, since it is smaller than the sum of its proper divisors (176632).

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

169328 is a wasteful number, since it uses less digits than its factorization.

169328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 578 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 169328 is about 411.4948359336. The cubic root of 169328 is about 55.3234930325.

The spelling of 169328 in words is "one hundred sixty-nine thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 557 1114 2228 4456 8912 10583 21166 42332 84664 169328