Search a number
-
+
103412249 = 312107609
BaseRepresentation
bin1100010100111…
…11001000011001
321012120212221022
412022133020121
5202433142444
614132252225
72363663303
oct612371031
9235525838
10103412249
1153412176
122a771075
13185699a5
14da3c973
15912a9ee
hex629f219

103412249 has 6 divisors (see below), whose sum is σ = 106856730. Its totient is φ = 100075440.

The previous prime is 103412233. The next prime is 103412293. The reversal of 103412249 is 942214301.

It can be written as a sum of positive squares in only one way, i.e., 103388224 + 24025 = 10168^2 + 155^2 .

It is not a de Polignac number, because 103412249 - 24 = 103412233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103412219) 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 5 ways as a sum of consecutive naturals, for example, 52844 + ... + 54765.

It is an arithmetic number, because the mean of its divisors is an integer number (17809455).

Almost surely, 2103412249 is an apocalyptic number.

It is an amenable number.

103412249 is a deficient number, since it is larger than the sum of its proper divisors (3444481).

103412249 is an equidigital number, since it uses as much as digits as its factorization.

103412249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107671 (or 107640 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 103412249 is about 10169.1813338144. The cubic root of 103412249 is about 469.3793664203.

The spelling of 103412249 in words is "one hundred three million, four hundred twelve thousand, two hundred forty-nine".

Divisors: 1 31 961 107609 3335879 103412249