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163064 = 231117109
BaseRepresentation
bin100111110011111000
322021200102
4213303320
520204224
63254532
71246256
oct476370
9267612
10163064
11101570
127a448
13592b5
14435d6
15334ae
hex27cf8

163064 has 32 divisors (see below), whose sum is σ = 356400. Its totient is φ = 69120.

The previous prime is 163063. The next prime is 163109. The reversal of 163064 is 460361.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163061) 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, 1442 + ... + 1550.

2163064 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 163064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178200).

163064 is an abundant number, since it is smaller than the sum of its proper divisors (193336).

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

163064 is a wasteful number, since it uses less digits than its factorization.

163064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 163064 is about 403.8118373698. The cubic root of 163064 is about 54.6327041343.

The spelling of 163064 in words is "one hundred sixty-three thousand, sixty-four".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 109 136 187 218 374 436 748 872 1199 1496 1853 2398 3706 4796 7412 9592 14824 20383 40766 81532 163064