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12432430 = 254130323
BaseRepresentation
bin101111011011…
…010000101110
3212101122002101
4233123100232
511140314210
61122245314
7210450103
oct57332056
925348071
1012432430
11702173a
1241b683a
132763a8a
141918aaa
151158a3a
hexbdb42e

12432430 has 16 divisors (see below), whose sum is σ = 22924944. Its totient is φ = 4851520.

The previous prime is 12432391. The next prime is 12432449. The reversal of 12432430 is 3423421.

It is a junction number, because it is equal to n+sod(n) for n = 12432398 and 12432407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14752 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (1432809).

Almost surely, 212432430 is an apocalyptic number.

12432430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12432430 is a deficient number, since it is larger than the sum of its proper divisors (10492514).

12432430 is a wasteful number, since it uses less digits than its factorization.

12432430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30371.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12432430 is about 3525.9651161065. The cubic root of 12432430 is about 231.6605097019.

Adding to 12432430 its reverse (3423421), we get a palindrome (15855851).

Subtracting from 12432430 its reverse (3423421), we obtain a palindrome (9009009).

The spelling of 12432430 in words is "twelve million, four hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 30323 60646 151615 303230 1243243 2486486 6216215 12432430