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12430056 = 233517919
BaseRepresentation
bin101111011010…
…101011101000
3212101111211110
4233122223220
511140230211
61122230320
7210440142
oct57325350
925344743
1012430056
11701a981
1241b53a0
132762982
141917c92
151157ea6
hexbdaae8

12430056 has 16 divisors (see below), whose sum is σ = 31075200. Its totient is φ = 4143344.

The previous prime is 12430049. The next prime is 12430073. The reversal of 12430056 is 65003421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258936 + ... + 258983.

It is an arithmetic number, because the mean of its divisors is an integer number (1942200).

Almost surely, 212430056 is an apocalyptic number.

It is an amenable number.

12430056 is an abundant number, since it is smaller than the sum of its proper divisors (18645144).

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

12430056 is a wasteful number, since it uses less digits than its factorization.

12430056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517928 (or 517924 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12430056 is about 3525.6284546163. The cubic root of 12430056 is about 231.6457634010.

Adding to 12430056 its reverse (65003421), we get a palindrome (77433477).

The spelling of 12430056 in words is "twelve million, four hundred thirty thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 517919 1035838 1553757 2071676 3107514 4143352 6215028 12430056