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214223305 = 51732271091
BaseRepresentation
bin11001100010011…
…00100111001001
3112221002200010111
430301030213021
5414320121210
633131314321
75210603512
oct1461144711
9487080114
10214223305
11aaa1815a
125b8ab9a1
13354c726a
1420645a09
1513c1888a
hexcc4c9c9

214223305 has 16 divisors (see below), whose sum is σ = 259930944. Its totient is φ = 169481920.

The previous prime is 214223293. The next prime is 214223363. The reversal of 214223305 is 503322412.

It is not a de Polignac number, because 214223305 - 217 = 214092233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 195810 + ... + 196900.

It is an arithmetic number, because the mean of its divisors is an integer number (16245684).

Almost surely, 2214223305 is an apocalyptic number.

It is an amenable number.

214223305 is a deficient number, since it is larger than the sum of its proper divisors (45707639).

214223305 is a wasteful number, since it uses less digits than its factorization.

214223305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 214223305 is about 14636.3692560689. The cubic root of 214223305 is about 598.3503807876.

Adding to 214223305 its reverse (503322412), we get a palindrome (717545717).

The spelling of 214223305 in words is "two hundred fourteen million, two hundred twenty-three thousand, three hundred five".

Divisors: 1 5 173 227 865 1091 1135 5455 39271 188743 196355 247657 943715 1238285 42844661 214223305