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105087307 = 138083639
BaseRepresentation
bin1100100001110…
…00000101001011
321022201222200111
412100320011023
5203400243212
614232215151
72414140663
oct620700513
9238658614
10105087307
1154356716
122b23a4b7
1318a05250
14dd571a3
15935bea7
hex643814b

105087307 has 4 divisors (see below), whose sum is σ = 113170960. Its totient is φ = 97003656.

The previous prime is 105087221. The next prime is 105087337. The reversal of 105087307 is 703780501.

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 105087307 - 211 = 105085259 is a prime.

It is a super-2 number, since 2×1050873072 = 22086684185024498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105087337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041807 + ... + 4041832.

It is an arithmetic number, because the mean of its divisors is an integer number (28292740).

Almost surely, 2105087307 is an apocalyptic number.

105087307 is a deficient number, since it is larger than the sum of its proper divisors (8083653).

105087307 is an equidigital number, since it uses as much as digits as its factorization.

105087307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083652.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 105087307 is about 10251.2100261384. The cubic root of 105087307 is about 471.9001198095.

The spelling of 105087307 in words is "one hundred five million, eighty-seven thousand, three hundred seven".

Divisors: 1 13 8083639 105087307