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20140233 = 313749003
BaseRepresentation
bin100110011010…
…1000011001001
31101220020012120
41030311003021
520123441413
61555401453
7333121611
oct114650311
941806176
1020140233
1110406723
1268b3289
1342321c9
142963a41
151b7c723
hex13350c9

20140233 has 8 divisors (see below), whose sum is σ = 27050208. Its totient is φ = 13328544.

The previous prime is 20140213. The next prime is 20140243. The reversal of 20140233 is 33204102.

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

It is not a de Polignac number, because 20140233 - 25 = 20140201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20140213) 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, 24091 + ... + 24912.

It is an arithmetic number, because the mean of its divisors is an integer number (3381276).

Almost surely, 220140233 is an apocalyptic number.

It is an amenable number.

20140233 is a deficient number, since it is larger than the sum of its proper divisors (6909975).

20140233 is a wasteful number, since it uses less digits than its factorization.

20140233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49143.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20140233 is about 4487.7870938805. The cubic root of 20140233 is about 272.0747028451.

Adding to 20140233 its reverse (33204102), we get a palindrome (53344335).

The spelling of 20140233 in words is "twenty million, one hundred forty thousand, two hundred thirty-three".

Divisors: 1 3 137 411 49003 147009 6713411 20140233