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214563239 = 11175321649
BaseRepresentation
bin11001100100111…
…11100110100111
3112221201221102122
430302133212213
5414412010424
633142500155
75213520542
oct1462374647
9487657378
10214563239
1110012a5a0
125ba3465b
13355b5bc7
14206d3859
1513c8445e
hexcc9f9a7

214563239 has 16 divisors (see below), whose sum is σ = 252525600. Its totient is φ = 180111360.

The previous prime is 214563229. The next prime is 214563253. The reversal of 214563239 is 932365412.

It is not a de Polignac number, because 214563239 - 28 = 214562983 is a prime.

It is a super-2 number, since 2×2145632392 = 92074767060342242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214563199 and 214563208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214563229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 914 + ... + 20735.

It is an arithmetic number, because the mean of its divisors is an integer number (15782850).

Almost surely, 2214563239 is an apocalyptic number.

214563239 is a deficient number, since it is larger than the sum of its proper divisors (37962361).

214563239 is a wasteful number, since it uses less digits than its factorization.

214563239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21730.

The product of its digits is 38880, while the sum is 35.

The square root of 214563239 is about 14647.9773006378. The cubic root of 214563239 is about 598.6667051434. Note that the first 3 decimals are identical.

The spelling of 214563239 in words is "two hundred fourteen million, five hundred sixty-three thousand, two hundred thirty-nine".

Divisors: 1 11 17 53 187 583 901 9911 21649 238139 368033 1147397 4048363 12621367 19505749 214563239