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20134210 = 254015021
BaseRepresentation
bin100110011001…
…1100101000010
31101212220221111
41030303211002
520123243320
61555313534
7333065215
oct114634502
941786844
1020134210
1110402148
1268ab8aa
13422c545
14296177c
151b7aa5a
hex1333942

20134210 has 16 divisors (see below), whose sum is σ = 36339192. Its totient is φ = 8032000.

The previous prime is 20134201. The next prime is 20134211. The reversal of 20134210 is 1243102.

It can be written as a sum of positive squares in 4 ways, for example, as 19864849 + 269361 = 4457^2 + 519^2 .

It is not an unprimeable number, because it can be changed into a prime (20134211) 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, 1500 + ... + 6520.

Almost surely, 220134210 is an apocalyptic number.

20134210 is a deficient number, since it is larger than the sum of its proper divisors (16204982).

20134210 is a wasteful number, since it uses less digits than its factorization.

20134210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20134210 is about 4487.1160002835. The cubic root of 20134210 is about 272.0475785427.

Adding to 20134210 its reverse (1243102), we get a palindrome (21377312).

The spelling of 20134210 in words is "twenty million, one hundred thirty-four thousand, two hundred ten".

Divisors: 1 2 5 10 401 802 2005 4010 5021 10042 25105 50210 2013421 4026842 10067105 20134210