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214543485 = 3551317247
BaseRepresentation
bin11001100100110…
…10110001111101
3112221200221100000
430302122301331
5414410342420
633142224513
75213406132
oct1462326175
9487627300
10214543485
11100116772
125ba25139
13355a9c10
14206ca589
1513c7d690
hexcc9ac7d

214543485 has 144 divisors (see below), whose sum is σ = 450567936. Its totient is φ = 97293312.

The previous prime is 214543481. The next prime is 214543499. The reversal of 214543485 is 584345412.

It is a happy number.

214543485 is a `hidden beast` number, since 2 + 145 + 434 + 85 = 666.

It is not a de Polignac number, because 214543485 - 22 = 214543481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214543481) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4564732 + ... + 4564778.

It is an arithmetic number, because the mean of its divisors is an integer number (3128944).

Almost surely, 2214543485 is an apocalyptic number.

It is an amenable number.

214543485 is an abundant number, since it is smaller than the sum of its proper divisors (236024451).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214543485 is a wasteful number, since it uses less digits than its factorization.

214543485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 85 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 214543485 is about 14647.3029940669. The cubic root of 214543485 is about 598.6483322772.

Adding to 214543485 its reverse (584345412), we get a palindrome (798888897).

The spelling of 214543485 in words is "two hundred fourteen million, five hundred forty-three thousand, four hundred eighty-five".

Divisors: 1 3 5 9 13 15 17 27 39 45 47 51 65 81 85 117 135 141 153 195 221 235 243 255 289 351 405 423 459 585 611 663 705 765 799 867 1053 1105 1215 1269 1377 1445 1755 1833 1989 2115 2295 2397 2601 3055 3159 3315 3757 3807 3995 4131 4335 5265 5499 5967 6345 6885 7191 7803 9165 9945 10387 11271 11421 11985 13005 13583 15795 16497 17901 18785 19035 20655 21573 23409 27495 29835 31161 33813 35955 39015 40749 49491 51935 53703 56355 57105 64719 67915 70227 82485 89505 93483 101439 107865 117045 122247 148473 155805 169065 176579 194157 203745 247455 268515 280449 304317 323595 351135 366741 467415 507195 529737 611235 742365 841347 882895 912951 970785 1100223 1402245 1521585 1589211 1833705 2524041 2648685 3300669 4206735 4564755 4767633 5501115 7946055 12620205 14302899 16503345 23838165 42908697 71514495 214543485