Search a number
-
+
13351143 = 313342337
BaseRepresentation
bin110010111011…
…100011100111
3221010022022210
4302323203213
511404214033
61154054503
7221324421
oct62734347
927108283
1013351143
117599a03
12457a433
1329c5cb0
141ab7811
15128ad63
hexcbb8e7

13351143 has 8 divisors (see below), whose sum is σ = 19170928. Its totient is φ = 8216064.

The previous prime is 13351099. The next prime is 13351181. The reversal of 13351143 is 34115331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13351143 - 213 = 13342951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13351193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171130 + ... + 171207.

It is an arithmetic number, because the mean of its divisors is an integer number (2396366).

Almost surely, 213351143 is an apocalyptic number.

13351143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13351143 is a deficient number, since it is larger than the sum of its proper divisors (5819785).

13351143 is a wasteful number, since it uses less digits than its factorization.

13351143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342353.

The product of its digits is 540, while the sum is 21.

The square root of 13351143 is about 3653.9215919338. The cubic root of 13351143 is about 237.2317517998.

Adding to 13351143 its reverse (34115331), we get a palindrome (47466474).

The spelling of 13351143 in words is "thirteen million, three hundred fifty-one thousand, one hundred forty-three".

Divisors: 1 3 13 39 342337 1027011 4450381 13351143