[go: up one dir, main page]

Search a number
-
+
2238750 = 23254199
BaseRepresentation
bin1000100010100100011110
311012201222200
420202210132
51033120000
6115552330
725012653
oct10424436
94181880
102238750
11129a008
128bb6a6
13605007
14423c2a
152e3500
hex22291e

2238750 has 60 divisors (see below), whose sum is σ = 6091800. Its totient is φ = 594000.

The previous prime is 2238749. The next prime is 2238757. The reversal of 2238750 is 578322.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238757) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11151 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (101530).

22238750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2238750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045900).

2238750 is an abundant number, since it is smaller than the sum of its proper divisors (3853050).

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

2238750 is a wasteful number, since it uses less digits than its factorization.

2238750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2238750 is about 1496.2453007445. The cubic root of 2238750 is about 130.8183095879.

The spelling of 2238750 in words is "two million, two hundred thirty-eight thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 125 150 199 225 250 375 398 450 597 625 750 995 1125 1194 1250 1791 1875 1990 2250 2985 3582 3750 4975 5625 5970 8955 9950 11250 14925 17910 24875 29850 44775 49750 74625 89550 124375 149250 223875 248750 373125 447750 746250 1119375 2238750