Search a number
-
+
13461345 = 325389769
BaseRepresentation
bin110011010110…
…011101100001
3221022220111100
4303112131201
511421230340
61200305013
7222263622
oct63263541
927286440
1013461345
117664787
124612169
132a341c1
141b05a49
1512ad830
hexcd6761

13461345 has 24 divisors (see below), whose sum is σ = 23423400. Its totient is φ = 7151616.

The previous prime is 13461341. The next prime is 13461353. The reversal of 13461345 is 54316431.

13461345 is a `hidden beast` number, since 1 + 3 + 4 + 613 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 219024 + 13242321 = 468^2 + 3639^2 .

It is not a de Polignac number, because 13461345 - 22 = 13461341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13461341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17121 + ... + 17889.

It is an arithmetic number, because the mean of its divisors is an integer number (975975).

Almost surely, 213461345 is an apocalyptic number.

13461345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13461345 is a deficient number, since it is larger than the sum of its proper divisors (9962055).

13461345 is a wasteful number, since it uses less digits than its factorization.

13461345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1166 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 13461345 is about 3668.9705640683. The cubic root of 13461345 is about 237.8826776224.

Adding to 13461345 its reverse (54316431), we get a palindrome (67777776).

The spelling of 13461345 in words is "thirteen million, four hundred sixty-one thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 389 769 1167 1945 2307 3501 3845 5835 6921 11535 17505 34605 299141 897423 1495705 2692269 4487115 13461345