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2585250 = 23353383
BaseRepresentation
bin1001110111001010100010
311212100022000
421313022202
51130212000
6131224430
730655113
oct11671242
94770260
102585250
111506378
12a48116
136c6945
144b420a
15361000
hex2772a2

2585250 has 64 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 687600.

The previous prime is 2585243. The next prime is 2585251. The reversal of 2585250 is 525852.

2585250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2585251) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6559 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

22585250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2585250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594240).

2585250 is an abundant number, since it is smaller than the sum of its proper divisors (4603230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2585250 is a wasteful number, since it uses less digits than its factorization.

2585250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2585250 is about 1607.8712635034. The cubic root of 2585250 is about 137.2463643816.

The spelling of 2585250 in words is "two million, five hundred eighty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 125 135 150 225 250 270 375 383 450 675 750 766 1125 1149 1350 1915 2250 2298 3375 3447 3830 5745 6750 6894 9575 10341 11490 17235 19150 20682 28725 34470 47875 51705 57450 86175 95750 103410 143625 172350 258525 287250 430875 517050 861750 1292625 2585250