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12043020 = 22351171257
BaseRepresentation
bin101101111100…
…001100001100
3211122211220210
4231330030030
511040334040
61110042420
7204235563
oct55741414
924584823
1012043020
116886110
124049410
132658762
141856bda
1510cd480
hexb7c30c

12043020 has 96 divisors (see below), whose sum is σ = 37449216. Its totient is φ = 2867200.

The previous prime is 12043001. The next prime is 12043027. The reversal of 12043020 is 2034021.

12043020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12042987 and 12043005.

It is not an unprimeable number, because it can be changed into a prime (12043027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46732 + ... + 46988.

It is an arithmetic number, because the mean of its divisors is an integer number (390096).

Almost surely, 212043020 is an apocalyptic number.

12043020 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 12043020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18724608).

12043020 is an abundant number, since it is smaller than the sum of its proper divisors (25406196).

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

12043020 is a wasteful number, since it uses less digits than its factorization.

12043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12043020 is about 3470.3054620595. The cubic root of 12043020 is about 229.2161089281.

Adding to 12043020 its reverse (2034021), we get a palindrome (14077041).

It can be divided in two parts, 1204 and 3020, that added together give a palindrome (4224).

The spelling of 12043020 in words is "twelve million, forty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 71 110 132 142 165 213 220 257 284 330 355 426 514 660 710 771 781 852 1028 1065 1285 1420 1542 1562 2130 2343 2570 2827 3084 3124 3855 3905 4260 4686 5140 5654 7710 7810 8481 9372 11308 11715 14135 15420 15620 16962 18247 23430 28270 33924 36494 42405 46860 54741 56540 72988 84810 91235 109482 169620 182470 200717 218964 273705 364940 401434 547410 602151 802868 1003585 1094820 1204302 2007170 2408604 3010755 4014340 6021510 12043020