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4072585 = 51174047
BaseRepresentation
bin1111100010010010001001
321122220112111
433202102021
52020310320
6223142321
746421266
oct17422211
97586474
104072585
112331880
1214449a1
13ac791a
1478026d
15556a5a
hex3e2489

4072585 has 8 divisors (see below), whose sum is σ = 5331456. Its totient is φ = 2961840.

The previous prime is 4072583. The next prime is 4072589. The reversal of 4072585 is 5852704.

4072585 = T855 + T856 + ... + T865.

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

It is not a de Polignac number, because 4072585 - 21 = 4072583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4072583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36969 + ... + 37078.

It is an arithmetic number, because the mean of its divisors is an integer number (666432).

Almost surely, 24072585 is an apocalyptic number.

It is an amenable number.

4072585 is a deficient number, since it is larger than the sum of its proper divisors (1258871).

4072585 is a wasteful number, since it uses less digits than its factorization.

4072585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74063.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4072585 is about 2018.0646669520. The cubic root of 4072585 is about 159.6945343758.

It can be divided in two parts, 407 and 2585, that added together give a palindrome (2992).

The spelling of 4072585 in words is "four million, seventy-two thousand, five hundred eighty-five".

Divisors: 1 5 11 55 74047 370235 814517 4072585