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12230736 = 243789409
BaseRepresentation
bin101110101010…
…000001010000
3212000101102020
4232222001100
511112340421
61114051440
7205650060
oct56520120
925011366
1012230736
1169a4151
124119b80
1326c302b
1418a53a0
151118dc6
hexbaa050

12230736 has 80 divisors (see below), whose sum is σ = 36604800. Its totient is φ = 3446784.

The previous prime is 12230731. The next prime is 12230789. The reversal of 12230736 is 63703221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29700 + ... + 30108.

It is an arithmetic number, because the mean of its divisors is an integer number (457560).

Almost surely, 212230736 is an apocalyptic number.

12230736 is a gapful number since it is divisible by the number (16) 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 12230736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18302400).

12230736 is an abundant number, since it is smaller than the sum of its proper divisors (24374064).

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

12230736 is a wasteful number, since it uses less digits than its factorization.

12230736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 12230736 is about 3497.2469172193. The cubic root of 12230736 is about 230.4009138660.

Adding to 12230736 its reverse (63703221), we get a palindrome (75933957).

The spelling of 12230736 in words is "twelve million, two hundred thirty thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 89 112 168 178 267 336 356 409 534 623 712 818 1068 1227 1246 1424 1636 1869 2136 2454 2492 2863 3272 3738 4272 4908 4984 5726 6544 7476 8589 9816 9968 11452 14952 17178 19632 22904 29904 34356 36401 45808 68712 72802 109203 137424 145604 218406 254807 291208 436812 509614 582416 764421 873624 1019228 1528842 1747248 2038456 3057684 4076912 6115368 12230736