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213643341 = 3247505067
BaseRepresentation
bin11001011101111…
…11000001001101
3112220000012120100
430232333001031
5414143041331
633111041313
75202636612
oct1456770115
9486005510
10213643341
11aa66144a
125b670239
13353532a2
1420534509
1513b51ae6
hexcbbf04d

213643341 has 12 divisors (see below), whose sum is σ = 315162432. Its totient is φ = 139398216.

The previous prime is 213643327. The next prime is 213643361. The reversal of 213643341 is 143346312.

213643341 is a `hidden beast` number, since 2 + 13 + 643 + 3 + 4 + 1 = 666.

It is not a de Polignac number, because 213643341 - 214 = 213626957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213643361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252111 + ... + 252956.

It is an arithmetic number, because the mean of its divisors is an integer number (26263536).

Almost surely, 2213643341 is an apocalyptic number.

It is an amenable number.

213643341 is a deficient number, since it is larger than the sum of its proper divisors (101519091).

213643341 is a wasteful number, since it uses less digits than its factorization.

213643341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505120 (or 505117 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 213643341 is about 14616.5434012286. The cubic root of 213643341 is about 597.8099240050.

Adding to 213643341 its reverse (143346312), we get a palindrome (356989653).

The spelling of 213643341 in words is "two hundred thirteen million, six hundred forty-three thousand, three hundred forty-one".

Divisors: 1 3 9 47 141 423 505067 1515201 4545603 23738149 71214447 213643341