Search a number
-
+
12443402 = 2101229269
BaseRepresentation
bin101111011101…
…111100001010
3212102012010202
4233131330022
511141142102
61122412202
7210524066
oct57357412
925365122
1012443402
117029a04
124201062
132768a7a
14191caa6
15115be02
hexbddf0a

12443402 has 16 divisors (see below), whose sum is σ = 19002600. Its totient is φ = 6110400.

The previous prime is 12443399. The next prime is 12443411. The reversal of 12443402 is 20434421.

It can be written as a sum of positive squares in 4 ways, for example, as 12313081 + 130321 = 3509^2 + 361^2 .

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, 46124 + ... + 46392.

Almost surely, 212443402 is an apocalyptic number.

12443402 is a deficient number, since it is larger than the sum of its proper divisors (6559198).

12443402 is a wasteful number, since it uses less digits than its factorization.

12443402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12443402 is about 3527.5206590465. The cubic root of 12443402 is about 231.7286388272.

Adding to 12443402 its reverse (20434421), we get a palindrome (32877823).

The spelling of 12443402 in words is "twelve million, four hundred forty-three thousand, four hundred two".

Divisors: 1 2 101 202 229 269 458 538 23129 27169 46258 54338 61601 123202 6221701 12443402