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105364969 = 809130241
BaseRepresentation
bin1100100011110…
…11110111101001
321100021002120021
412101323313221
5203433134334
614242200441
72416405333
oct621736751
9240232507
10105364969
1154526296
122b353121
1318aa1748
14ddca453
1593b43b4
hex647bde9

105364969 has 4 divisors (see below), whose sum is σ = 105496020. Its totient is φ = 105233920.

The previous prime is 105364943. The next prime is 105364979. The reversal of 105364969 is 969463501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79477225 + 25887744 = 8915^2 + 5088^2 .

It is a cyclic number.

It is not a de Polignac number, because 105364969 - 27 = 105364841 is a prime.

It is a super-2 number, since 2×1053649692 = 22203553384741922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105364979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64312 + ... + 65929.

It is an arithmetic number, because the mean of its divisors is an integer number (26374005).

Almost surely, 2105364969 is an apocalyptic number.

It is an amenable number.

105364969 is a deficient number, since it is larger than the sum of its proper divisors (131051).

105364969 is an equidigital number, since it uses as much as digits as its factorization.

105364969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131050.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 105364969 is about 10264.7439812204. The cubic root of 105364969 is about 472.3153729369.

The spelling of 105364969 in words is "one hundred five million, three hundred sixty-four thousand, nine hundred sixty-nine".

Divisors: 1 809 130241 105364969