Search a number
-
+
13061451 = 3131791871
BaseRepresentation
bin110001110100…
…110101001011
3220120120221110
4301310311023
511320431301
61143541403
7216010014
oct61646513
926516843
1013061451
117411297
12445a863
132924190
141a4000b
1512300d6
hexc74d4b

13061451 has 16 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 7988640.

The previous prime is 13061431. The next prime is 13061459. The reversal of 13061451 is 15416031.

It is not a de Polignac number, because 13061451 - 218 = 12799307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13061459) 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 15 ways as a sum of consecutive naturals, for example, 6046 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 213061451 is an apocalyptic number.

13061451 is a deficient number, since it is larger than the sum of its proper divisors (5808309).

13061451 is a wasteful number, since it uses less digits than its factorization.

13061451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 13061451 is about 3614.0629490921. The cubic root of 13061451 is about 235.5033784974.

Adding to 13061451 its reverse (15416031), we get a palindrome (28477482).

The spelling of 13061451 in words is "thirteen million, sixty-one thousand, four hundred fifty-one".

Divisors: 1 3 13 39 179 537 1871 2327 5613 6981 24323 72969 334909 1004727 4353817 13061451