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105530283 = 356592
BaseRepresentation
bin1100100101001…
…00001110101011
321100120111100000
412102210032223
5204003432113
614245514043
72420664315
oct622441653
9240514300
10105530283
1154629511
122b412923
1318b2ba71
14100307b5
1593e8373
hex64a43ab

105530283 has 18 divisors (see below), whose sum is σ = 158318524. Its totient is φ = 70246764.

The previous prime is 105530263. The next prime is 105530311. The reversal of 105530283 is 382035501.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

105530283 is a `hidden beast` number, since 105 + 530 + 28 + 3 = 666.

It is not a de Polignac number, because 105530283 - 28 = 105530027 is a prime.

It is a super-2 number, since 2×1055302832 = 22273281260120178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105530263) 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 17 ways as a sum of consecutive naturals, for example, 159808 + ... + 160466.

Almost surely, 2105530283 is an apocalyptic number.

105530283 is a deficient number, since it is larger than the sum of its proper divisors (52788241).

105530283 is an frugal number, since it uses more digits than its factorization.

105530283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 105530283 is about 10272.7933396910. The cubic root of 105530283 is about 472.5622593697.

Multiplying 105530283 by its sum of digits (27), we get a square (2849317641 = 533792).

105530283 divided by its sum of digits (27) gives a square (3908529 = 19772).

Adding to 105530283 its reverse (382035501), we get a palindrome (487565784).

The spelling of 105530283 in words is "one hundred five million, five hundred thirty thousand, two hundred eighty-three".

Divisors: 1 3 9 27 81 243 659 1977 5931 17793 53379 160137 434281 1302843 3908529 11725587 35176761 105530283