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20214086 = 213177153
BaseRepresentation
bin100110100011…
…1000101000110
31102000222111212
41031013011012
520133322321
62001131422
7333550124
oct115070506
942028455
1020214086
1110457162
126929b72
1342599c9
142982914
151b9455b
hex1347146

20214086 has 8 divisors (see below), whose sum is σ = 30552984. Its totient is φ = 10029760.

The previous prime is 20214053. The next prime is 20214091. The reversal of 20214086 is 68041202.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38315 + ... + 38838.

It is an arithmetic number, because the mean of its divisors is an integer number (3819123).

Almost surely, 220214086 is an apocalyptic number.

20214086 is a deficient number, since it is larger than the sum of its proper divisors (10338898).

20214086 is a wasteful number, since it uses less digits than its factorization.

20214086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77286.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20214086 is about 4496.0077846908. The cubic root of 20214086 is about 272.4068575982.

Adding to 20214086 its reverse (68041202), we get a palindrome (88255288).

The spelling of 20214086 in words is "twenty million, two hundred fourteen thousand, eighty-six".

Divisors: 1 2 131 262 77153 154306 10107043 20214086