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105307273 = 541194653
BaseRepresentation
bin1100100011011…
…01110010001001
321100011011102101
412101231302021
5203424313043
614241033401
72416045201
oct621556211
9240134371
10105307273
1154496a05
122b325861
1318a813c6
14ddb3401
1593a224d
hex646dc89

105307273 has 4 divisors (see below), whose sum is σ = 105502468. Its totient is φ = 105112080.

The previous prime is 105307261. The next prime is 105307327. The reversal of 105307273 is 372703501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372703501 = 797467633.

It can be written as a sum of positive squares in 2 ways, for example, as 75134224 + 30173049 = 8668^2 + 5493^2 .

It is a cyclic number.

It is not a de Polignac number, because 105307273 - 213 = 105299081 is a prime.

It is a super-2 number, since 2×1053072732 = 22179243493393058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105307243) 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, 96786 + ... + 97867.

It is an arithmetic number, because the mean of its divisors is an integer number (26375617).

Almost surely, 2105307273 is an apocalyptic number.

It is an amenable number.

105307273 is a deficient number, since it is larger than the sum of its proper divisors (195195).

105307273 is an equidigital number, since it uses as much as digits as its factorization.

105307273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195194.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 105307273 is about 10261.9331999385. The cubic root of 105307273 is about 472.2291466718.

The spelling of 105307273 in words is "one hundred five million, three hundred seven thousand, two hundred seventy-three".

Divisors: 1 541 194653 105307273