Search a number
-
+
105082345 = 521016469
BaseRepresentation
bin1100100001101…
…10110111101001
321022201201212201
412100312313221
5203400113340
614232140201
72414120344
oct620666751
9238651781
10105082345
1154352a15
122b237661
1318a02c04
14dd5545b
15935a79a
hex6436de9

105082345 has 4 divisors (see below), whose sum is σ = 126098820. Its totient is φ = 84065872.

The previous prime is 105082309. The next prime is 105082349. The reversal of 105082345 is 543280501.

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 52243984 + 52838361 = 7228^2 + 7269^2 .

It is a cyclic number.

It is not a de Polignac number, because 105082345 - 219 = 104558057 is a prime.

It is a super-2 number, since 2×1050823452 = 22084598461398050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105082349) 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, 10508230 + ... + 10508239.

It is an arithmetic number, because the mean of its divisors is an integer number (31524705).

Almost surely, 2105082345 is an apocalyptic number.

It is an amenable number.

105082345 is a deficient number, since it is larger than the sum of its proper divisors (21016475).

105082345 is an equidigital number, since it uses as much as digits as its factorization.

105082345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016474.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 105082345 is about 10250.9680030717. The cubic root of 105082345 is about 471.8926923179.

The spelling of 105082345 in words is "one hundred five million, eighty-two thousand, three hundred forty-five".

Divisors: 1 5 21016469 105082345