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214121243 = 7301110159
BaseRepresentation
bin11001100001100…
…11101100011011
3112220220111010102
430300303230123
5414303334433
633125210015
75210000120
oct1460635433
9486814112
10214121243
11aa958506
125b86090b
133548c97b
142061a747
1513be84e8
hexcc33b1b

214121243 has 8 divisors (see below), whose sum is σ = 244815360. Its totient is φ = 183453480.

The previous prime is 214121233. The next prime is 214121249. The reversal of 214121243 is 342121412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214121243 - 26 = 214121179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214121249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15998 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (30601920).

Almost surely, 2214121243 is an apocalyptic number.

214121243 is a deficient number, since it is larger than the sum of its proper divisors (30694117).

214121243 is a wasteful number, since it uses less digits than its factorization.

214121243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177.

The product of its digits is 384, while the sum is 20.

The square root of 214121243 is about 14632.8822519694. The cubic root of 214121243 is about 598.2553420500.

Adding to 214121243 its reverse (342121412), we get a palindrome (556242655).

The spelling of 214121243 in words is "two hundred fourteen million, one hundred twenty-one thousand, two hundred forty-three".

Divisors: 1 7 3011 10159 21077 71113 30588749 214121243