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4247585 = 55691493
BaseRepresentation
bin10000001101000000100001
321222210120222
4100031000201
52041410320
6231012425
751050426
oct20150041
97883528
104247585
112441301
12150a115
13b59484
147c7d4d
1558d825
hex40d021

4247585 has 8 divisors (see below), whose sum is σ = 5109480. Its totient is φ = 3389824.

The previous prime is 4247567. The next prime is 4247597. The reversal of 4247585 is 5857424.

It can be written as a sum of positive squares in 4 ways, for example, as 495616 + 3751969 = 704^2 + 1937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4247585 - 216 = 4182049 is a prime.

It is a d-powerful number, because it can be written as 43 + 215 + 411 + 75 + 5 + 83 + 55 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099 + ... + 3591.

It is an arithmetic number, because the mean of its divisors is an integer number (638685).

Almost surely, 24247585 is an apocalyptic number.

It is an amenable number.

4247585 is a deficient number, since it is larger than the sum of its proper divisors (861895).

4247585 is a wasteful number, since it uses less digits than its factorization.

4247585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 44800, while the sum is 35.

The square root of 4247585 is about 2060.9670060435. The cubic root of 4247585 is about 161.9499032213.

The spelling of 4247585 in words is "four million, two hundred forty-seven thousand, five hundred eighty-five".

Divisors: 1 5 569 1493 2845 7465 849517 4247585