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12430544 = 247412707
BaseRepresentation
bin101111011010…
…110011010000
3212101112111112
4233122303100
511140234134
61122232452
7210441440
oct57326320
925345445
1012430544
117020285
1241b5728
132762c69
141918120
1511581ce
hexbdacd0

12430544 has 40 divisors (see below), whose sum is σ = 28206528. Its totient is φ = 5195520.

The previous prime is 12430507. The next prime is 12430547. The reversal of 12430544 is 44503421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12430547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239 + ... + 5945.

Almost surely, 212430544 is an apocalyptic number.

12430544 is a gapful number since it is divisible by the number (14) 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 12430544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14103264).

12430544 is an abundant number, since it is smaller than the sum of its proper divisors (15775984).

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

12430544 is a wasteful number, since it uses less digits than its factorization.

12430544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 12430544 is about 3525.6976614565. The cubic root of 12430544 is about 231.6487948074.

Adding to 12430544 its reverse (44503421), we get a palindrome (56933965).

The spelling of 12430544 in words is "twelve million, four hundred thirty thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 41 56 82 112 164 287 328 574 656 1148 2296 2707 4592 5414 10828 18949 21656 37898 43312 75796 110987 151592 221974 303184 443948 776909 887896 1553818 1775792 3107636 6215272 12430544