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213411423 = 371998939
BaseRepresentation
bin11001011100001…
…10011001011111
3112212120102102210
430232012121133
5414113131143
633102051503
75200652511
oct1456063137
9485512383
10213411423
11aa513185
125b579b93
13352a1864
14204b3bb1
1513b08033
hexcb8665f

213411423 has 8 divisors (see below), whose sum is σ = 284947200. Its totient is φ = 142074968.

The previous prime is 213411413. The next prime is 213411431. The reversal of 213411423 is 324114312.

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

It is a cyclic number.

It is not a de Polignac number, because 213411423 - 28 = 213411167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213411423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213411413) 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, 47313 + ... + 51626.

It is an arithmetic number, because the mean of its divisors is an integer number (35618400).

Almost surely, 2213411423 is an apocalyptic number.

213411423 is a deficient number, since it is larger than the sum of its proper divisors (71535777).

213411423 is an equidigital number, since it uses as much as digits as its factorization.

213411423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99661.

The product of its digits is 576, while the sum is 21.

The square root of 213411423 is about 14608.6078392159. The cubic root of 213411423 is about 597.5935305227.

Adding to 213411423 its reverse (324114312), we get a palindrome (537525735).

The spelling of 213411423 in words is "two hundred thirteen million, four hundred eleven thousand, four hundred twenty-three".

Divisors: 1 3 719 2157 98939 296817 71137141 213411423