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2585485 = 57261173
BaseRepresentation
bin1001110111001110001101
311212100121201
421313032031
51130213420
6131225501
730655600
oct11671615
94770551
102585485
111506571
12a48291
136c6a96
144b4337
1536110a
hex27738d

2585485 has 24 divisors (see below), whose sum is σ = 3689496. Its totient is φ = 1733760.

The previous prime is 2585477. The next prime is 2585491. The reversal of 2585485 is 5845852.

It can be written as a sum of positive squares in 4 ways, for example, as 170569 + 2414916 = 413^2 + 1554^2 .

It is not a de Polignac number, because 2585485 - 23 = 2585477 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14859 + ... + 15031.

It is an arithmetic number, because the mean of its divisors is an integer number (153729).

22585485 is an apocalyptic number.

It is an amenable number.

2585485 is a deficient number, since it is larger than the sum of its proper divisors (1104011).

2585485 is a wasteful number, since it uses less digits than its factorization.

2585485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 246 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

The square root of 2585485 is about 1607.9443398327. The cubic root of 2585485 is about 137.2505228341.

The spelling of 2585485 in words is "two million, five hundred eighty-five thousand, four hundred eighty-five".

Divisors: 1 5 7 35 49 61 173 245 305 427 865 1211 2135 2989 6055 8477 10553 14945 42385 52765 73871 369355 517097 2585485