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12430160 = 245155377
BaseRepresentation
bin101111011010…
…101101010000
3212101111222022
4233122231100
511140231120
61122231012
7210440351
oct57325520
925344868
1012430160
11701aa66
1241b5468
132762a32
141917d28
151158025
hexbdab50

12430160 has 20 divisors (see below), whose sum is σ = 28900308. Its totient is φ = 4972032.

The previous prime is 12430133. The next prime is 12430181. The reversal of 12430160 is 6103421.

It can be written as a sum of positive squares in 2 ways, for example, as 7376656 + 5053504 = 2716^2 + 2248^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 77609 + ... + 77768.

Almost surely, 212430160 is an apocalyptic number.

12430160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430160 is an abundant number, since it is smaller than the sum of its proper divisors (16470148).

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

12430160 is a wasteful number, since it uses less digits than its factorization.

12430160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155390 (or 155384 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12430160 is about 3525.6432037289. The cubic root of 12430160 is about 231.6464094451.

Adding to 12430160 its reverse (6103421), we get a palindrome (18533581).

The spelling of 12430160 in words is "twelve million, four hundred thirty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 155377 310754 621508 776885 1243016 1553770 2486032 3107540 6215080 12430160