Search a number
-
+
12810434 = 2713591193
BaseRepresentation
bin110000110111…
…100011000010
3220002211121112
4300313203002
511234413214
61134323322
7213613130
oct60674302
926084545
1012810434
11725a73a
124359542
132866b50
1419b6750
1511d0a3e
hexc378c2

12810434 has 32 divisors (see below), whose sum is σ = 24071040. Its totient is φ = 4977792.

The previous prime is 12810433. The next prime is 12810437. The reversal of 12810434 is 43401821.

It is not an unprimeable number, because it can be changed into a prime (12810433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10142 + ... + 11334.

It is an arithmetic number, because the mean of its divisors is an integer number (752220).

Almost surely, 212810434 is an apocalyptic number.

12810434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12810434 is a deficient number, since it is larger than the sum of its proper divisors (11260606).

12810434 is a wasteful number, since it uses less digits than its factorization.

12810434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12810434 is about 3579.1666627862. The cubic root of 12810434 is about 233.9849626298.

The spelling of 12810434 in words is "twelve million, eight hundred ten thousand, four hundred thirty-four".

Divisors: 1 2 7 13 14 26 59 91 118 182 413 767 826 1193 1534 2386 5369 8351 10738 15509 16702 31018 70387 108563 140774 217126 492709 915031 985418 1830062 6405217 12810434