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106800643 = 277738459
BaseRepresentation
bin1100101110110…
…10011000000011
321102222000221101
412113122120003
5204320110033
614333035231
72434535065
oct627323003
9242860841
10106800643
11553169a4
122b925b17
1319185061
1410281735
15959997d
hex65da603

106800643 has 4 divisors (see below), whose sum is σ = 106841880. Its totient is φ = 106759408.

The previous prime is 106800641. The next prime is 106800703. The reversal of 106800643 is 346008601.

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 106800643 - 21 = 106800641 is a prime.

It is a super-2 number, since 2×1068006432 = 22812754690426898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106800641) by changing a digit.

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, 16453 + ... + 22006.

It is an arithmetic number, because the mean of its divisors is an integer number (26710470).

Almost surely, 2106800643 is an apocalyptic number.

106800643 is a deficient number, since it is larger than the sum of its proper divisors (41237).

106800643 is an equidigital number, since it uses as much as digits as its factorization.

106800643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41236.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 106800643 is about 10334.4396558304. The cubic root of 106800643 is about 474.4509156597.

The spelling of 106800643 in words is "one hundred six million, eight hundred thousand, six hundred forty-three".

Divisors: 1 2777 38459 106800643