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2240550 = 2325213383
BaseRepresentation
bin1000100011000000100110
311012211110100
420203000212
51033144200
6120004530
725021134
oct10430046
94184410
102240550
1112a03a4
12900746
13605a90
14424754
152e3d00
hex223026

2240550 has 72 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 550080.

The previous prime is 2240533. The next prime is 2240551. The reversal of 2240550 is 550422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5659 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (90272).

22240550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2240550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249792).

2240550 is an abundant number, since it is smaller than the sum of its proper divisors (4259034).

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

2240550 is a wasteful number, since it uses less digits than its factorization.

2240550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2240550 is about 1496.8466855360. The cubic root of 2240550 is about 130.8533603792.

Adding to 2240550 its reverse (550422), we get a palindrome (2790972).

The spelling of 2240550 in words is "two million, two hundred forty thousand, five hundred fifty".

Divisors: 1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 130 150 195 225 234 325 383 390 450 585 650 766 975 1149 1170 1915 1950 2298 2925 3447 3830 4979 5745 5850 6894 9575 9958 11490 14937 17235 19150 24895 28725 29874 34470 44811 49790 57450 74685 86175 89622 124475 149370 172350 224055 248950 373425 448110 746850 1120275 2240550