Search a number
-
+
12134480 = 245151681
BaseRepresentation
bin101110010010…
…100001010000
3211211111101012
4232102201100
511101300410
61112030052
7205066331
oct56224120
924744335
1012134480
1169388a6
124092328
13268b287
14187c288
1510ea605
hexb92850

12134480 has 20 divisors (see below), whose sum is σ = 28212852. Its totient is φ = 4853760.

The previous prime is 12134477. The next prime is 12134491. The reversal of 12134480 is 8443121.

It can be written as a sum of positive squares in 2 ways, for example, as 7907344 + 4227136 = 2812^2 + 2056^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75761 + ... + 75920.

Almost surely, 212134480 is an apocalyptic number.

12134480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12134480 is an abundant number, since it is smaller than the sum of its proper divisors (16078372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12134480 is a wasteful number, since it uses less digits than its factorization.

12134480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151694 (or 151688 counting only the distinct ones).

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

The square root of 12134480 is about 3483.4580519937. The cubic root of 12134480 is about 229.7949022288.

The spelling of 12134480 in words is "twelve million, one hundred thirty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 151681 303362 606724 758405 1213448 1516810 2426896 3033620 6067240 12134480