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211313030 = 2522439421
BaseRepresentation
bin11001001100001…
…10000110000110
3112201121210222112
430212012012012
5413044004110
632545101022
75144062655
oct1446060606
9481553875
10211313030
11a930a675
125a927772
1334a186c6
14200c919c
1513841405
hexc986186

211313030 has 16 divisors (see below), whose sum is σ = 380573424. Its totient is φ = 84478560.

The previous prime is 211313021. The next prime is 211313083. The reversal of 211313030 is 30313112.

It is a junction number, because it is equal to n+sod(n) for n = 211312996 and 211313014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17720 + ... + 27140.

It is an arithmetic number, because the mean of its divisors is an integer number (23785839).

Almost surely, 2211313030 is an apocalyptic number.

211313030 is a deficient number, since it is larger than the sum of its proper divisors (169260394).

211313030 is a wasteful number, since it uses less digits than its factorization.

211313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 211313030 is about 14536.6099899530. The cubic root of 211313030 is about 595.6284394142.

Adding to 211313030 its reverse (30313112), we get a palindrome (241626142).

The spelling of 211313030 in words is "two hundred eleven million, three hundred thirteen thousand, thirty".

Divisors: 1 2 5 10 2243 4486 9421 11215 18842 22430 47105 94210 21131303 42262606 105656515 211313030