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4248045 = 34517617
BaseRepresentation
bin10000001101000111101101
321222211020000
4100031013231
52041414140
6231014513
751051654
oct20150755
97884200
104248045
11244168a
12150a439
13b59749
147c819b
1558da30
hex40d1ed

4248045 has 40 divisors (see below), whose sum is σ = 8076024. Its totient is φ = 2128896.

The previous prime is 4248043. The next prime is 4248061. The reversal of 4248045 is 5408424.

It can be written as a sum of positive squares in 4 ways, for example, as 110889 + 4137156 = 333^2 + 2034^2 .

It is not a de Polignac number, because 4248045 - 21 = 4248043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4248043) 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 39 ways as a sum of consecutive naturals, for example, 6577 + ... + 7193.

Almost surely, 24248045 is an apocalyptic number.

4248045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4248045 is a deficient number, since it is larger than the sum of its proper divisors (3827979).

4248045 is a wasteful number, since it uses less digits than its factorization.

4248045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4248045 is about 2061.0786011213. The cubic root of 4248045 is about 161.9557492307.

The spelling of 4248045 in words is "four million, two hundred forty-eight thousand, forty-five".

Divisors: 1 3 5 9 15 17 27 45 51 81 85 135 153 255 405 459 617 765 1377 1851 2295 3085 5553 6885 9255 10489 16659 27765 31467 49977 52445 83295 94401 157335 249885 283203 472005 849609 1416015 4248045