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4102245 = 34571447
BaseRepresentation
bin1111101001100001100101
321201102020000
433221201211
52022232440
6223531513
746603620
oct17514145
97642200
104102245
112352094
121459b99
13b08284
1478adb7
15560730
hex3e9865

4102245 has 40 divisors (see below), whose sum is σ = 8409984. Its totient is φ = 1874016.

The previous prime is 4102237. The next prime is 4102247. The reversal of 4102245 is 5422014.

It is not a de Polignac number, because 4102245 - 23 = 4102237 is a prime.

4102245 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2112 + ... + 3558.

Almost surely, 24102245 is an apocalyptic number.

4102245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4102245 is an abundant number, since it is smaller than the sum of its proper divisors (4307739).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4102245 is a wasteful number, since it uses less digits than its factorization.

4102245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4102245 is about 2025.3999605016. The cubic root of 4102245 is about 160.0812738132.

Adding to 4102245 its reverse (5422014), we get a palindrome (9524259).

The spelling of 4102245 in words is "four million, one hundred two thousand, two hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 315 405 567 945 1447 2835 4341 7235 10129 13023 21705 30387 39069 50645 65115 91161 117207 151935 195345 273483 455805 586035 820449 1367415 4102245