Search a number
-
+
12534243 = 319972267
BaseRepresentation
bin101111110100…
…000111100011
3212120210202020
4233310013203
511202043433
61124352523
7211352661
oct57640743
925523666
1012534243
117091187
124245743
13279b217
141943c31
151178cb3
hexbf41e3

12534243 has 16 divisors (see below), whose sum is σ = 17781120. Its totient is φ = 7831296.

The previous prime is 12534239. The next prime is 12534251. The reversal of 12534243 is 34243521.

It is not a de Polignac number, because 12534243 - 22 = 12534239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12534283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4396 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (1111320).

Almost surely, 212534243 is an apocalyptic number.

12534243 is a deficient number, since it is larger than the sum of its proper divisors (5246877).

12534243 is a wasteful number, since it uses less digits than its factorization.

12534243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its digits is 2880, while the sum is 24.

The square root of 12534243 is about 3540.3732854037. The cubic root of 12534243 is about 232.2911710268.

Adding to 12534243 its reverse (34243521), we get a palindrome (46777764).

The spelling of 12534243 in words is "twelve million, five hundred thirty-four thousand, two hundred forty-three".

Divisors: 1 3 19 57 97 291 1843 2267 5529 6801 43073 129219 219899 659697 4178081 12534243