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105412663 = 673156631
BaseRepresentation
bin1100100100001…
…11100000110111
321100100111222201
412102013200313
5203441201123
614243205331
72416664356
oct622074067
9240314881
10105412663
1154559104
122b376847
1318aba375
14dddd99d
1593c35ad
hex6487837

105412663 has 4 divisors (see below), whose sum is σ = 105569968. Its totient is φ = 105255360.

The previous prime is 105412649. The next prime is 105412669. The reversal of 105412663 is 366214501.

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 105412663 - 217 = 105281591 is a prime.

It is a super-2 number, since 2×1054126632 = 22223659041503138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105412669) 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, 77643 + ... + 78988.

It is an arithmetic number, because the mean of its divisors is an integer number (26392492).

Almost surely, 2105412663 is an apocalyptic number.

105412663 is a deficient number, since it is larger than the sum of its proper divisors (157305).

105412663 is an equidigital number, since it uses as much as digits as its factorization.

105412663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157304.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 105412663 is about 10267.0669131939. The cubic root of 105412663 is about 472.3866275216.

The spelling of 105412663 in words is "one hundred five million, four hundred twelve thousand, six hundred sixty-three".

Divisors: 1 673 156631 105412663