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212043355 = 555277673
BaseRepresentation
bin11001010001110…
…00011001011011
3112202222220210121
430220320121123
5413240341410
633012454111
75153224126
oct1450703133
9482886717
10212043355
11a9769347
125b01a337
1334c12c54
14202393bd
15139379da
hexca3865b

212043355 has 8 divisors (see below), whose sum is σ = 254531232. Its totient is φ = 169581888.

The previous prime is 212043343. The next prime is 212043361. The reversal of 212043355 is 553340212.

212043355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212043355 - 25 = 212043323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23799 + ... + 31471.

It is an arithmetic number, because the mean of its divisors is an integer number (31816404).

Almost surely, 2212043355 is an apocalyptic number.

212043355 is a deficient number, since it is larger than the sum of its proper divisors (42487877).

212043355 is an equidigital number, since it uses as much as digits as its factorization.

212043355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13205.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 212043355 is about 14561.7085192638. The cubic root of 212043355 is about 596.3138398976.

Adding to 212043355 its reverse (553340212), we get a palindrome (765383567).

The spelling of 212043355 in words is "two hundred twelve million, forty-three thousand, three hundred fifty-five".

Divisors: 1 5 5527 7673 27635 38365 42408671 212043355