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213223241 = 7112769133
BaseRepresentation
bin11001011010110…
…00011101001001
3112212012212022002
430231120131021
5414041120431
633054040345
75166240050
oct1455303511
9485185262
10213223241
11aa3a4860
125b4a90b5
1335236cca
1420465397
1513abc3cb
hexcb58749

213223241 has 8 divisors (see below), whose sum is σ = 265836864. Its totient is φ = 166147920.

The previous prime is 213223229. The next prime is 213223253. The reversal of 213223241 is 142322312.

213223241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213223229) and next prime (213223253).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213223241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213223201) 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, 1384490 + ... + 1384643.

It is an arithmetic number, because the mean of its divisors is an integer number (33229608).

Almost surely, 2213223241 is an apocalyptic number.

It is an amenable number.

213223241 is a deficient number, since it is larger than the sum of its proper divisors (52613623).

213223241 is a wasteful number, since it uses less digits than its factorization.

213223241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769151.

The product of its digits is 576, while the sum is 20.

The square root of 213223241 is about 14602.1656270568. The cubic root of 213223241 is about 597.4178301246.

Adding to 213223241 its reverse (142322312), we get a palindrome (355545553).

The spelling of 213223241 in words is "two hundred thirteen million, two hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 7 11 77 2769133 19383931 30460463 213223241