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212244035 = 542448807
BaseRepresentation
bin11001010011010…
…01011001000011
3112210101010002012
430221221121003
5413313302120
633021043135
75155021163
oct1451513103
9483333065
10212244035
11a98960a3
125b0b64ab
1334c833b3
142028c5a3
15139771c5
hexca69643

212244035 has 4 divisors (see below), whose sum is σ = 254692848. Its totient is φ = 169795224.

The previous prime is 212244029. The next prime is 212244049. The reversal of 212244035 is 530442212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212244035 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212244035.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21224399 + ... + 21224408.

It is an arithmetic number, because the mean of its divisors is an integer number (63673212).

Almost surely, 2212244035 is an apocalyptic number.

212244035 is a deficient number, since it is larger than the sum of its proper divisors (42448813).

212244035 is an equidigital number, since it uses as much as digits as its factorization.

212244035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42448812.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 212244035 is about 14568.5975646251. The cubic root of 212244035 is about 596.5018997552.

Adding to 212244035 its reverse (530442212), we get a palindrome (742686247).

The spelling of 212244035 in words is "two hundred twelve million, two hundred forty-four thousand, thirty-five".

Divisors: 1 5 42448807 212244035