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20130333 = 311875653
BaseRepresentation
bin100110011001…
…0101000011101
31101212201121220
41030302220131
520123132313
61555243553
7333051006
oct114625035
941781556
1020130333
11103aa243
1268a95b9
13422a852
1429601ad
151b79823
hex1332a1d

20130333 has 8 divisors (see below), whose sum is σ = 26867808. Its totient is φ = 13406544.

The previous prime is 20130293. The next prime is 20130343. The reversal of 20130333 is 33303102.

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

It is not a de Polignac number, because 20130333 - 212 = 20126237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130343) 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, 735 + ... + 6387.

It is an arithmetic number, because the mean of its divisors is an integer number (3358476).

Almost surely, 220130333 is an apocalyptic number.

It is an amenable number.

20130333 is a deficient number, since it is larger than the sum of its proper divisors (6737475).

20130333 is a wasteful number, since it uses less digits than its factorization.

20130333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 20130333 is about 4486.6839648007. The cubic root of 20130333 is about 272.0301157903.

Adding to 20130333 its reverse (33303102), we get a palindrome (53433435).

The spelling of 20130333 in words is "twenty million, one hundred thirty thousand, three hundred thirty-three".

Divisors: 1 3 1187 3561 5653 16959 6710111 20130333