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5638085 = 51127617
BaseRepresentation
bin10101100000011111000101
3101121102222222
4111200133011
52420404320
6320502125
765631365
oct25403705
911542888
105638085
113200a82
121a7a945
13122535b
14a6a9a5
15765825
hex5607c5

5638085 has 4 divisors (see below), whose sum is σ = 6765708. Its totient is φ = 4510464.

The previous prime is 5638057. The next prime is 5638103. The reversal of 5638085 is 5808365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 3500641 = 1462^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 5638085 - 26 = 5638021 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 563804 + ... + 563813.

It is an arithmetic number, because the mean of its divisors is an integer number (1691427).

Almost surely, 25638085 is an apocalyptic number.

It is an amenable number.

5638085 is a deficient number, since it is larger than the sum of its proper divisors (1127623).

5638085 is a wasteful number, since it uses less digits than its factorization.

5638085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127622.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 5638085 is about 2374.4652029457. The cubic root of 5638085 is about 177.9824605030.

It can be divided in two parts, 56380 and 85, that added together give a palindrome (56465).

The spelling of 5638085 in words is "five million, six hundred thirty-eight thousand, eighty-five".

Divisors: 1 5 1127617 5638085