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212000543 = 1134913821
BaseRepresentation
bin11001010001011…
…01111100011111
3112202220202001222
430220231330133
5413233004133
633011523555
75152655246
oct1450557437
9482822058
10212000543
11a973a167
125abb95bb
1334bc9611
142022795d
1513929e98
hexca2df1f

212000543 has 8 divisors (see below), whose sum is σ = 214368336. Its totient is φ = 209641600.

The previous prime is 212000539. The next prime is 212000567. The reversal of 212000543 is 345000212.

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 212000543 - 22 = 212000539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000143) 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, 53573 + ... + 57393.

It is an arithmetic number, because the mean of its divisors is an integer number (26796042).

Almost surely, 2212000543 is an apocalyptic number.

212000543 is a deficient number, since it is larger than the sum of its proper divisors (2367793).

212000543 is a wasteful number, since it uses less digits than its factorization.

212000543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 212000543 is about 14560.2384252457. The cubic root of 212000543 is about 596.2737048562.

Adding to 212000543 its reverse (345000212), we get a palindrome (557000755).

The spelling of 212000543 in words is "two hundred twelve million, five hundred forty-three", and thus it is an aban number.

Divisors: 1 113 491 3821 55483 431773 1876111 212000543