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214243330 = 25715120269
BaseRepresentation
bin11001100010100…
…01100000000010
3112221010200121011
430301101200002
5414321241310
633131551134
75211016060
oct1461214002
9487120534
10214243330
11aaa31204
125b8bb4aa
1335503402
142064d030
1513c1e78a
hexcc51802

214243330 has 32 divisors (see below), whose sum is σ = 443669760. Its totient is φ = 72964800.

The previous prime is 214243313. The next prime is 214243349. The reversal of 214243330 is 33342412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436 + ... + 20704.

It is an arithmetic number, because the mean of its divisors is an integer number (13864680).

Almost surely, 2214243330 is an apocalyptic number.

214243330 is an abundant number, since it is smaller than the sum of its proper divisors (229426430).

214243330 is a wasteful number, since it uses less digits than its factorization.

214243330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20434.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 214243330 is about 14637.0533236714. The cubic root of 214243330 is about 598.3690242510.

Adding to 214243330 its reverse (33342412), we get a palindrome (247585742).

The spelling of 214243330 in words is "two hundred fourteen million, two hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 151 302 755 1057 1510 2114 5285 10570 20269 40538 101345 141883 202690 283766 709415 1418830 3060619 6121238 15303095 21424333 30606190 42848666 107121665 214243330