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4248609 = 31923923
BaseRepresentation
bin10000001101010000100001
321222211222220
4100031100201
52041423414
6231021253
751053421
oct20152041
97884886
104248609
112442052
12150a829
13b59a91
147c8481
1558dca9
hex40d421

4248609 has 12 divisors (see below), whose sum is σ = 5980176. Its totient is φ = 2682648.

The previous prime is 4248557. The next prime is 4248611. The reversal of 4248609 is 9068424.

It is not a de Polignac number, because 4248609 - 27 = 4248481 is a prime.

It is a d-powerful number, because it can be written as 43 + 29 + 411 + 83 + 66 + 0 + 94 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4248609.

It is not an unprimeable number, because it can be changed into a prime (4248689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879 + ... + 3044.

It is an arithmetic number, because the mean of its divisors is an integer number (498348).

Almost surely, 24248609 is an apocalyptic number.

It is an amenable number.

4248609 is a deficient number, since it is larger than the sum of its proper divisors (1731567).

4248609 is a wasteful number, since it uses less digits than its factorization.

4248609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4248609 is about 2061.2154181453. The cubic root of 4248609 is about 161.9629163708.

The spelling of 4248609 in words is "four million, two hundred forty-eight thousand, six hundred nine".

Divisors: 1 3 19 57 361 1083 3923 11769 74537 223611 1416203 4248609