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212232011 = 1392336553
BaseRepresentation
bin11001010011001…
…10011101001011
3112210100111120212
430221212131023
5413312411021
633020511335
75154641135
oct1451463513
9483314525
10212232011
11a9888062
125b0ab54b
1334c7aa94
1420288055
151397385b
hexca6674b

212232011 has 8 divisors (see below), whose sum is σ = 214709040. Its totient is φ = 209768832.

The previous prime is 212231977. The next prime is 212232049. The reversal of 212232011 is 110232212.

It is a happy number.

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 212232011 - 218 = 211969867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212232091) 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, 29111 + ... + 35663.

It is an arithmetic number, because the mean of its divisors is an integer number (26838630).

Almost surely, 2212232011 is an apocalyptic number.

212232011 is a deficient number, since it is larger than the sum of its proper divisors (2477029).

212232011 is a wasteful number, since it uses less digits than its factorization.

212232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212232011 is about 14568.1848903698. The cubic root of 212232011 is about 596.4906352466.

Adding to 212232011 its reverse (110232212), we get a palindrome (322464223).

The spelling of 212232011 in words is "two hundred twelve million, two hundred thirty-two thousand, eleven".

Divisors: 1 139 233 6553 32387 910867 1526849 212232011