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212443114 = 21361133949
BaseRepresentation
bin11001010100110…
…01111111101010
3112210202020011111
430222121333222
5413341134424
633025220534
75156510452
oct1452317752
9483666144
10212443114
11a9a11724
125b19174a
1335022bb0
1420300d62
15139b6194
hexca99fea

212443114 has 16 divisors (see below), whose sum is σ = 348805800. Its totient is φ = 96442560.

The previous prime is 212443103. The next prime is 212443117. The reversal of 212443114 is 411344212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104387089 + 108056025 = 10217^2 + 10395^2 .

It is not an unprimeable number, because it can be changed into a prime (212443117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65389 + ... + 68560.

Almost surely, 2212443114 is an apocalyptic number.

212443114 is a deficient number, since it is larger than the sum of its proper divisors (136362686).

212443114 is a wasteful number, since it uses less digits than its factorization.

212443114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134025.

The product of its digits is 768, while the sum is 22.

The square root of 212443114 is about 14575.4284328112. The cubic root of 212443114 is about 596.6883422037.

Adding to 212443114 its reverse (411344212), we get a palindrome (623787326).

The spelling of 212443114 in words is "two hundred twelve million, four hundred forty-three thousand, one hundred fourteen".

Divisors: 1 2 13 26 61 122 793 1586 133949 267898 1741337 3482674 8170889 16341778 106221557 212443114