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105534665 = 521106933
BaseRepresentation
bin1100100101001…
…01010011001001
321100120201100022
412102211103021
5204004102130
614245550225
72421013145
oct622452311
9240521308
10105534665
1154631835
122b415375
1318b30a62
1410032225
1593e97e5
hex64a54c9

105534665 has 4 divisors (see below), whose sum is σ = 126641604. Its totient is φ = 84427728.

The previous prime is 105534661. The next prime is 105534677. The reversal of 105534665 is 566435501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566435501 = 4491261549.

It can be written as a sum of positive squares in 2 ways, for example, as 48622729 + 56911936 = 6973^2 + 7544^2 .

It is a cyclic number.

It is not a de Polignac number, because 105534665 - 22 = 105534661 is a prime.

It is a super-2 number, since 2×1055346652 = 22275131033324450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105534661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10553462 + ... + 10553471.

It is an arithmetic number, because the mean of its divisors is an integer number (31660401).

Almost surely, 2105534665 is an apocalyptic number.

It is an amenable number.

105534665 is a deficient number, since it is larger than the sum of its proper divisors (21106939).

105534665 is an equidigital number, since it uses as much as digits as its factorization.

105534665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106938.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 105534665 is about 10273.0066192912. The cubic root of 105534665 is about 472.5688001120.

The spelling of 105534665 in words is "one hundred five million, five hundred thirty-four thousand, six hundred sixty-five".

Divisors: 1 5 21106933 105534665