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214423155 = 32543110813
BaseRepresentation
bin11001100011111…
…01011001110011
3112221110211021100
430301331121303
5414343020110
633135455443
75212365252
oct1461753163
9487424240
10214423155
11100044321
125b987583
133556720b
1420698799
1513c57bc0
hexcc7d673

214423155 has 24 divisors (see below), whose sum is σ = 380313648. Its totient is φ = 111698496.

The previous prime is 214423141. The next prime is 214423163. The reversal of 214423155 is 551324412.

It is not a de Polignac number, because 214423155 - 25 = 214423123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53472 + ... + 57341.

It is an arithmetic number, because the mean of its divisors is an integer number (15846402).

Almost surely, 2214423155 is an apocalyptic number.

214423155 is a deficient number, since it is larger than the sum of its proper divisors (165890493).

214423155 is a wasteful number, since it uses less digits than its factorization.

214423155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110867 (or 110864 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 214423155 is about 14643.1948358273. The cubic root of 214423155 is about 598.5363909841.

Adding to 214423155 its reverse (551324412), we get a palindrome (765747567).

The spelling of 214423155 in words is "two hundred fourteen million, four hundred twenty-three thousand, one hundred fifty-five".

Divisors: 1 3 5 9 15 43 45 129 215 387 645 1935 110813 332439 554065 997317 1662195 4764959 4986585 14294877 23824795 42884631 71474385 214423155