Search a number
-
+
13239733 = 132234567
BaseRepresentation
bin110010100000…
…010110110101
3220220122111111
4302200112311
511342132413
61151435021
7220351543
oct62402665
926818444
1013239733
117523231
124525a71
132987380
141a88d93
151267d3d
hexca05b5

13239733 has 8 divisors (see below), whose sum is σ = 14325248. Its totient is φ = 12163824.

The previous prime is 13239731. The next prime is 13239749. The reversal of 13239733 is 33793231.

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

It is a cyclic number.

It is not a de Polignac number, because 13239733 - 21 = 13239731 is a prime.

It is a super-2 number, since 2×132397332 = 350581059822578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13239695 and 13239704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13239731) by changing a digit.

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, 616 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (1790656).

Almost surely, 213239733 is an apocalyptic number.

13239733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13239733 is a deficient number, since it is larger than the sum of its proper divisors (1085515).

13239733 is a wasteful number, since it uses less digits than its factorization.

13239733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803.

The product of its digits is 10206, while the sum is 31.

The square root of 13239733 is about 3638.6443904289. The cubic root of 13239733 is about 236.5700394625.

The spelling of 13239733 in words is "thirteen million, two hundred thirty-nine thousand, seven hundred thirty-three".

Divisors: 1 13 223 2899 4567 59371 1018441 13239733