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12383426 = 2113891447
BaseRepresentation
bin101111001111…
…010011000010
3212022010212102
4233033103002
511132232201
61121230402
7210154166
oct57172302
925263772
1012383426
116a98940
124192402
132747693
141904ca6
15114926b
hexbcf4c2

12383426 has 16 divisors (see below), whose sum is σ = 20329920. Its totient is φ = 5610480.

The previous prime is 12383417. The next prime is 12383443. The reversal of 12383426 is 62438321.

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 7 ways as a sum of consecutive naturals, for example, 7835 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (1270620).

Almost surely, 212383426 is an apocalyptic number.

12383426 is a deficient number, since it is larger than the sum of its proper divisors (7946494).

12383426 is a wasteful number, since it uses less digits than its factorization.

12383426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849.

The product of its digits is 6912, while the sum is 29.

The square root of 12383426 is about 3519.0092355662. The cubic root of 12383426 is about 231.3557358198.

It can be divided in two parts, 1238 and 3426, that added together give a palindrome (4664).

The spelling of 12383426 in words is "twelve million, three hundred eighty-three thousand, four hundred twenty-six".

Divisors: 1 2 11 22 389 778 1447 2894 4279 8558 15917 31834 562883 1125766 6191713 12383426