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4103145 = 325194799
BaseRepresentation
bin1111101001101111101001
321201110110100
433221233221
52022300040
6223540013
746606344
oct17515751
97643410
104103145
112352832
12145a609
13b087c7
1478b45b
15560b30
hex3e9be9

4103145 has 24 divisors (see below), whose sum is σ = 7488000. Its totient is φ = 2072736.

The previous prime is 4103119. The next prime is 4103149. The reversal of 4103145 is 5413014.

It is a happy number.

It is not a de Polignac number, because 4103145 - 210 = 4102121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4103149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1545 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (312000).

Almost surely, 24103145 is an apocalyptic number.

4103145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4103145 is a deficient number, since it is larger than the sum of its proper divisors (3384855).

4103145 is a wasteful number, since it uses less digits than its factorization.

4103145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829 (or 4826 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4103145 is about 2025.6221266564. The cubic root of 4103145 is about 160.0929798109.

Adding to 4103145 its reverse (5413014), we get a palindrome (9516159).

The spelling of 4103145 in words is "four million, one hundred three thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 4799 14397 23995 43191 71985 91181 215955 273543 455905 820629 1367715 4103145