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20288062 = 237274163
BaseRepresentation
bin100110101100…
…1001000111110
31102011201222201
41031121020332
520143204222
62002502114
7334305604
oct115311076
942151881
1020288062
11104a77a3
12696493a
134284592
1429a1874
151bab427
hex135923e

20288062 has 8 divisors (see below), whose sum is σ = 31254696. Its totient is φ = 9869832.

The previous prime is 20288053. The next prime is 20288063. The reversal of 20288062 is 26088202.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20288062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20288063) 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, 137008 + ... + 137155.

It is an arithmetic number, because the mean of its divisors is an integer number (3906837).

Almost surely, 220288062 is an apocalyptic number.

20288062 is a deficient number, since it is larger than the sum of its proper divisors (10966634).

20288062 is a wasteful number, since it uses less digits than its factorization.

20288062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274202.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20288062 is about 4504.2271257120. The cubic root of 20288062 is about 272.7387554829.

The spelling of 20288062 in words is "twenty million, two hundred eighty-eight thousand, sixty-two".

Divisors: 1 2 37 74 274163 548326 10144031 20288062