Search a number
-
+
12426824 = 237971949
BaseRepresentation
bin101111011001…
…111001001000
3212101100101202
4233121321020
511140124244
61122203332
7210424544
oct57317110
925340352
1012426824
117018503
1241b3548
132761367
141916a24
15115704e
hexbd9e48

12426824 has 16 divisors (see below), whose sum is σ = 23341500. Its totient is φ = 6202432.

The previous prime is 12426811. The next prime is 12426829. The reversal of 12426824 is 42862421.

It can be written as a sum of positive squares in 2 ways, for example, as 12124324 + 302500 = 3482^2 + 550^2 .

It is not an unprimeable number, because it can be changed into a prime (12426829) 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 3 ways as a sum of consecutive naturals, for example, 5402 + ... + 7350.

Almost surely, 212426824 is an apocalyptic number.

It is an amenable number.

12426824 is a deficient number, since it is larger than the sum of its proper divisors (10914676).

12426824 is a wasteful number, since it uses less digits than its factorization.

12426824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752 (or 2748 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 12426824 is about 3525.1700668195. The cubic root of 12426824 is about 231.6256845425.

The spelling of 12426824 in words is "twelve million, four hundred twenty-six thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 797 1594 1949 3188 3898 6376 7796 15592 1553353 3106706 6213412 12426824