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20036486 = 231132213
BaseRepresentation
bin100110001101…
…1101110000110
31101200221220002
41030123232012
520112131421
61553241302
7332210261
oct114335606
941627802
1020036486
1110345788
126863232
1341c6c12
142937cd8
151b5bb0b
hex131bb86

20036486 has 8 divisors (see below), whose sum is σ = 30152304. Its totient is φ = 9985720.

The previous prime is 20036483. The next prime is 20036521. The reversal of 20036486 is 68463002.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036483) by changing a digit.

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, 15485 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (3769038).

Almost surely, 220036486 is an apocalyptic number.

20036486 is a deficient number, since it is larger than the sum of its proper divisors (10115818).

20036486 is a wasteful number, since it uses less digits than its factorization.

20036486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32526.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20036486 is about 4476.2133550580. The cubic root of 20036486 is about 271.6067251211.

Adding to 20036486 its reverse (68463002), we get a palindrome (88499488).

The spelling of 20036486 in words is "twenty million, thirty-six thousand, four hundred eighty-six".

Divisors: 1 2 311 622 32213 64426 10018243 20036486