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160380 = 2236511
BaseRepresentation
bin100111001001111100
322011000000
4213021330
520113010
63234300
71235403
oct471174
9264000
10160380
11aa550
1278990
1357ccc
144263a
15327c0
hex2727c

160380 has 84 divisors (see below), whose sum is σ = 550872. Its totient is φ = 38880.

The previous prime is 160373. The next prime is 160387. The reversal of 160380 is 83061.

160380 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (160373) and next prime (160387).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160387) by changing a digit.

160380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14575 + ... + 14585.

It is an arithmetic number, because the mean of its divisors is an integer number (6558).

2160380 is an apocalyptic number.

160380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275436).

160380 is an abundant number, since it is smaller than the sum of its proper divisors (390492).

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

160380 is a wasteful number, since it uses less digits than its factorization.

160380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 160380 is about 400.4747183032. The cubic root of 160380 is about 54.3312966312.

The spelling of 160380 in words is "one hundred sixty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 132 135 162 165 180 198 220 243 270 297 324 330 396 405 486 495 540 594 660 729 810 891 972 990 1188 1215 1458 1485 1620 1782 1980 2430 2673 2916 2970 3564 3645 4455 4860 5346 5940 7290 8019 8910 10692 13365 14580 16038 17820 26730 32076 40095 53460 80190 160380