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211306132 = 22139380047
BaseRepresentation
bin11001001100001…
…00011010010100
3112201121110112001
430212010122110
5413043244012
632545005044
75144033602
oct1446043224
9481543461
10211306132
11a9305474
125a923784
1334a1551b
14200c6872
151383e357
hexc984694

211306132 has 12 divisors (see below), whose sum is σ = 372447040. Its totient is φ = 104892696.

The previous prime is 211306111. The next prime is 211306133. The reversal of 211306132 is 231603112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211306133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 189468 + ... + 190579.

Almost surely, 2211306132 is an apocalyptic number.

It is an amenable number.

211306132 is a deficient number, since it is larger than the sum of its proper divisors (161140908).

211306132 is a wasteful number, since it uses less digits than its factorization.

211306132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380190 (or 380188 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 211306132 is about 14536.3727249957. The cubic root of 211306132 is about 595.6219582085.

Adding to 211306132 its reverse (231603112), we get a palindrome (442909244).

The spelling of 211306132 in words is "two hundred eleven million, three hundred six thousand, one hundred thirty-two".

Divisors: 1 2 4 139 278 556 380047 760094 1520188 52826533 105653066 211306132