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20533034 = 219540343
BaseRepresentation
bin100111001010…
…0111100101010
31102122012000202
41032110330222
520224024114
62012032202
7336346034
oct116247452
942565022
1020533034
1110654855
126a62662
13433bc32
142a26c54
151c08cde
hex1394f2a

20533034 has 8 divisors (see below), whose sum is σ = 32420640. Its totient is φ = 9726156.

The previous prime is 20533001. The next prime is 20533049. The reversal of 20533034 is 43033502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20532997 and 20533015.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 270134 + ... + 270209.

It is an arithmetic number, because the mean of its divisors is an integer number (4052580).

Almost surely, 220533034 is an apocalyptic number.

20533034 is a deficient number, since it is larger than the sum of its proper divisors (11887606).

20533034 is a wasteful number, since it uses less digits than its factorization.

20533034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540364.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 20533034 is about 4531.3390956758. The cubic root of 20533034 is about 273.8321116177.

Adding to 20533034 its reverse (43033502), we get a palindrome (63566536).

The spelling of 20533034 in words is "twenty million, five hundred thirty-three thousand, thirty-four".

Divisors: 1 2 19 38 540343 1080686 10266517 20533034