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12030560 = 255174423
BaseRepresentation
bin101101111001…
…001001100000
3211122012211022
4231321021200
511034434220
61105505012
7204154343
oct55711140
924565738
1012030560
116877813
124042168
132652b99
14185245a
1510c9925
hexb79260

12030560 has 48 divisors (see below), whose sum is σ = 30100896. Its totient is φ = 4528128.

The previous prime is 12030559. The next prime is 12030607. The reversal of 12030560 is 6503021.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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, 509 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (627102).

Almost surely, 212030560 is an apocalyptic number.

12030560 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 12030560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15050448).

12030560 is an abundant number, since it is smaller than the sum of its proper divisors (18070336).

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

12030560 is a wasteful number, since it uses less digits than its factorization.

12030560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455 (or 4447 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12030560 is about 3468.5097664559. The cubic root of 12030560 is about 229.1370308049.

Adding to 12030560 its reverse (6503021), we get a palindrome (18533581).

The spelling of 12030560 in words is "twelve million, thirty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 4423 8846 17692 22115 35384 44230 70768 75191 88460 141536 150382 176920 300764 353840 375955 601528 707680 751910 1203056 1503820 2406112 3007640 6015280 12030560