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2585232 = 2432131381
BaseRepresentation
bin1001110111001010010000
311212100021100
421313022100
51130211412
6131224400
730655056
oct11671220
94770240
102585232
111506361
12a48100
136c6930
144b41d6
15360edc
hex277290

2585232 has 60 divisors (see below), whose sum is σ = 7797244. Its totient is φ = 794880.

The previous prime is 2585179. The next prime is 2585237. The reversal of 2585232 is 2325852.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 1838736 = 864^2 + 1356^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2585196 and 2585205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1182 + ... + 2562.

22585232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2585232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3898622).

2585232 is an abundant number, since it is smaller than the sum of its proper divisors (5212012).

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

2585232 is a wasteful number, since it uses less digits than its factorization.

2585232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1399 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2585232 is about 1607.8656660306. The cubic root of 2585232 is about 137.2460458514.

The spelling of 2585232 in words is "two million, five hundred eighty-five thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1381 1872 2762 4143 5524 8286 11048 12429 16572 17953 22096 24858 33144 35906 49716 53859 66288 71812 99432 107718 143624 161577 198864 215436 287248 323154 430872 646308 861744 1292616 2585232