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212881483 = 467455849
BaseRepresentation
bin11001011000001…
…01000001001011
3112211120111111101
430230011001023
5413444201413
633042442231
75163314503
oct1454050113
9484514441
10212881483
11aa191011
125b363377
1335147599
14203b6a03
1513a50edd
hexcb0504b

212881483 has 4 divisors (see below), whose sum is σ = 213337800. Its totient is φ = 212425168.

The previous prime is 212881477. The next prime is 212881507. The reversal of 212881483 is 384188212.

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

It is a cyclic number.

It is not a de Polignac number, because 212881483 - 25 = 212881451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212801483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227458 + ... + 228391.

It is an arithmetic number, because the mean of its divisors is an integer number (53334450).

Almost surely, 2212881483 is an apocalyptic number.

212881483 is a deficient number, since it is larger than the sum of its proper divisors (456317).

212881483 is an equidigital number, since it uses as much as digits as its factorization.

212881483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456316.

The product of its digits is 24576, while the sum is 37.

The square root of 212881483 is about 14590.4586288437. The cubic root of 212881483 is about 597.0984754696.

The spelling of 212881483 in words is "two hundred twelve million, eight hundred eighty-one thousand, four hundred eighty-three".

Divisors: 1 467 455849 212881483