Search a number
-
+
13296040 = 2351719553
BaseRepresentation
bin110010101110…
…000110101000
3221000111201221
4302232012220
511400433130
61152551424
7221004652
oct62560650
927014657
1013296040
11756156a
124552574
1329a6ba4
141aa16d2
15127987a
hexcae1a8

13296040 has 32 divisors (see below), whose sum is σ = 31677480. Its totient is φ = 5005312.

The previous prime is 13295983. The next prime is 13296053. The reversal of 13296040 is 4069231.

It can be written as a sum of positive squares in 4 ways, for example, as 13089924 + 206116 = 3618^2 + 454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13295996 and 13296014.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9097 + ... + 10456.

Almost surely, 213296040 is an apocalyptic number.

13296040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13296040 is an abundant number, since it is smaller than the sum of its proper divisors (18381440).

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

13296040 is a wasteful number, since it uses less digits than its factorization.

13296040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19581 (or 19577 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13296040 is about 3646.3735409308. The cubic root of 13296040 is about 236.9049331782.

The spelling of 13296040 in words is "thirteen million, two hundred ninety-six thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 19553 39106 78212 97765 156424 195530 332401 391060 664802 782120 1329604 1662005 2659208 3324010 6648020 13296040