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20734133 = 73195549
BaseRepresentation
bin100111100011…
…0000010110101
31110000101212212
41033012002311
520301443013
62020223205
7341144240
oct117060265
943011785
1020734133
1110781952
126b3ab05
1343ac624
142a7a257
151c486a8
hex13c60b5

20734133 has 8 divisors (see below), whose sum is σ = 24460800. Its totient is φ = 17198640.

The previous prime is 20734121. The next prime is 20734141. The reversal of 20734133 is 33143702.

It is a happy number.

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 20734133 - 210 = 20733109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20734099 and 20734108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734433) 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, 47558 + ... + 47991.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 220734133 is an apocalyptic number.

It is an amenable number.

20734133 is a deficient number, since it is larger than the sum of its proper divisors (3726667).

20734133 is an equidigital number, since it uses as much as digits as its factorization.

20734133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95587.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 20734133 is about 4553.4748269865. The cubic root of 20734133 is about 274.7231726664.

Adding to 20734133 its reverse (33143702), we get a palindrome (53877835).

The spelling of 20734133 in words is "twenty million, seven hundred thirty-four thousand, one hundred thirty-three".

Divisors: 1 7 31 217 95549 668843 2962019 20734133