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2285550 = 233521693
BaseRepresentation
bin1000101101111111101110
311022010012000
420231333232
51041114200
6120553130
725266261
oct10557756
94263160
102285550
111321193
129227a6
136203c7
14436cd8
15302300
hex22dfee

2285550 has 48 divisors (see below), whose sum is σ = 6301680. Its totient is φ = 609120.

The previous prime is 2285513. The next prime is 2285551. The reversal of 2285550 is 555822.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (131285).

22285550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2285550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3150840).

2285550 is an abundant number, since it is smaller than the sum of its proper divisors (4016130).

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

2285550 is a wasteful number, since it uses less digits than its factorization.

2285550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1703 counting only the distinct ones).

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

The square root of 2285550 is about 1511.8035586676. The cubic root of 2285550 is about 131.7235951726.

It can be divided in two parts, 228 and 5550, that added together give a triangular number (5778 = T107).

The spelling of 2285550 in words is "two million, two hundred eighty-five thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 1693 3386 5079 8465 10158 15237 16930 25395 30474 42325 45711 50790 76185 84650 91422 126975 152370 228555 253950 380925 457110 761850 1142775 2285550