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212144335 = 5139733647
BaseRepresentation
bin11001010010100…
…01000011001111
3112210012001022121
430221101003033
5413302104320
633014553411
75154124414
oct1451210317
9483161277
10212144335
11a98281a7
125b068867
1334c49bc0
142026410b
15139578aa
hexca510cf

212144335 has 16 divisors (see below), whose sum is σ = 276990336. Its totient is φ = 155040768.

The previous prime is 212144321. The next prime is 212144357. The reversal of 212144335 is 533441212.

It is a cyclic number.

It is not a de Polignac number, because 212144335 - 29 = 212143823 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10519 + ... + 23128.

It is an arithmetic number, because the mean of its divisors is an integer number (17311896).

Almost surely, 2212144335 is an apocalyptic number.

212144335 is a deficient number, since it is larger than the sum of its proper divisors (64846001).

212144335 is a wasteful number, since it uses less digits than its factorization.

212144335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33762.

The product of its digits is 2880, while the sum is 25.

The square root of 212144335 is about 14565.1754194723. The cubic root of 212144335 is about 596.4084844030.

Adding to 212144335 its reverse (533441212), we get a palindrome (745585547).

The spelling of 212144335 in words is "two hundred twelve million, one hundred forty-four thousand, three hundred thirty-five".

Divisors: 1 5 13 65 97 485 1261 6305 33647 168235 437411 2187055 3263759 16318795 42428867 212144335