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214344243 = 3253716329
BaseRepresentation
bin11001100011010…
…10001000110011
3112221022211000200
430301222020303
5414333003433
633134050243
75211616221
oct1461521063
9487284020
10214344243
11aaaa0003
125b949983
133553a319
1420677b11
1513c3e613
hexcc6a233

214344243 has 24 divisors (see below), whose sum is σ = 319943520. Its totient is φ = 138203520.

The previous prime is 214344239. The next prime is 214344257. The reversal of 214344243 is 342443412.

It is a happy number.

214344243 is a `hidden beast` number, since 214 + 3 + 442 + 4 + 3 = 666.

It is not a de Polignac number, because 214344243 - 22 = 214344239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214344223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30703 + ... + 37031.

It is an arithmetic number, because the mean of its divisors is an integer number (13330980).

Almost surely, 2214344243 is an apocalyptic number.

214344243 is a deficient number, since it is larger than the sum of its proper divisors (105599277).

214344243 is a wasteful number, since it uses less digits than its factorization.

214344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6456 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 214344243 is about 14640.5000939176. The cubic root of 214344243 is about 598.4629575297.

Adding to 214344243 its reverse (342443412), we get a palindrome (556787655).

It can be divided in two parts, 2143442 and 43, that added together give a triangular number (2143485 = T2070).

The spelling of 214344243 in words is "two hundred fourteen million, three hundred forty-four thousand, two hundred forty-three".

Divisors: 1 3 9 53 71 159 213 477 639 3763 6329 11289 18987 33867 56961 335437 449359 1006311 1348077 3018933 4044231 23816027 71448081 214344243