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20860214 = 219548953
BaseRepresentation
bin100111110010…
…0110100110110
31110020210211112
41033210310312
520320011324
62023035022
7342210644
oct117446466
943223745
1020860214
1110858651
126b9ba72
134424b2b
142ab0194
151c70c0e
hex13e4d36

20860214 has 8 divisors (see below), whose sum is σ = 32937240. Its totient is φ = 9881136.

The previous prime is 20860211. The next prime is 20860247. The reversal of 20860214 is 41206802.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20860214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20860211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274439 + ... + 274514.

It is an arithmetic number, because the mean of its divisors is an integer number (4117155).

Almost surely, 220860214 is an apocalyptic number.

20860214 is a deficient number, since it is larger than the sum of its proper divisors (12077026).

20860214 is a wasteful number, since it uses less digits than its factorization.

20860214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548974.

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

The square root of 20860214 is about 4567.2983261442. The cubic root of 20860214 is about 275.2788972200.

The spelling of 20860214 in words is "twenty million, eight hundred sixty thousand, two hundred fourteen".

Divisors: 1 2 19 38 548953 1097906 10430107 20860214