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2438685 = 32554193
BaseRepresentation
bin1001010011011000011101
311120220020200
421103120131
51111014220
6124134113
726504604
oct11233035
94526220
102438685
111416247
12997339
13675012
14476a3b
15332890
hex25361d

2438685 has 12 divisors (see below), whose sum is σ = 4227132. Its totient is φ = 1300608.

The previous prime is 2438671. The next prime is 2438693. The reversal of 2438685 is 5868342.

2438685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1505529 + 933156 = 1227^2 + 966^2 .

It is not a de Polignac number, because 2438685 - 29 = 2438173 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 27052 + ... + 27141.

It is an arithmetic number, because the mean of its divisors is an integer number (352261).

22438685 is an apocalyptic number.

It is an amenable number.

2438685 is a deficient number, since it is larger than the sum of its proper divisors (1788447).

2438685 is a wasteful number, since it uses less digits than its factorization.

2438685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54204 (or 54201 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2438685 is about 1561.6289572110. The cubic root of 2438685 is about 134.6021206816.

The spelling of 2438685 in words is "two million, four hundred thirty-eight thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 45 54193 162579 270965 487737 812895 2438685