Search a number
-
+
13331333 = 314373137
BaseRepresentation
bin110010110110…
…101110000101
3221002022011002
4302312232011
511403100313
61153423045
7221212601
oct62665605
927068132
1013331333
117586034
12456aa85
1329b9c82
141ab0501
151285058
hexcb6b85

13331333 has 16 divisors (see below), whose sum is σ = 14378496. Its totient is φ = 12337920.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331333 is 33313331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13331333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331533) 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, 97241 + ... + 97377.

It is an arithmetic number, because the mean of its divisors is an integer number (898656).

Almost surely, 213331333 is an apocalyptic number.

It is an amenable number.

13331333 is a deficient number, since it is larger than the sum of its proper divisors (1047163).

13331333 is a wasteful number, since it uses less digits than its factorization.

13331333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its digits is 729, while the sum is 20.

The square root of 13331333 is about 3651.2097995048. The cubic root of 13331333 is about 237.1143614192.

Adding to 13331333 its reverse (33313331), we get a palindrome (46644664).

The spelling of 13331333 in words is "thirteen million, three hundred thirty-one thousand, three hundred thirty-three".

Divisors: 1 31 43 73 137 1333 2263 3139 4247 5891 10001 97309 182621 310031 430043 13331333