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224033140 = 22517976793
BaseRepresentation
bin11010101101001…
…11100101110100
3120121120001200201
431112213211310
5424323030030
634121450244
75360151562
oct1526474564
9517501621
10224033140
11105508461
1263040984
13375503b6
1421a7aa32
1514a052ca
hexd5a7974

224033140 has 48 divisors (see below), whose sum is σ = 503353872. Its totient is φ = 83460096.

The previous prime is 224033107. The next prime is 224033141. The reversal of 224033140 is 41330422.

It can be written as a sum of positive squares in 8 ways, for example, as 7001316 + 217031824 = 2646^2 + 14732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224033141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29584 + ... + 36376.

It is an arithmetic number, because the mean of its divisors is an integer number (10486539).

Almost surely, 2224033140 is an apocalyptic number.

224033140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224033140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251676936).

224033140 is an abundant number, since it is smaller than the sum of its proper divisors (279320732).

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

224033140 is a wasteful number, since it uses less digits than its factorization.

224033140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 224033140 is about 14967.7366358444. The cubic root of 224033140 is about 607.3477430645.

Adding to 224033140 its reverse (41330422), we get a palindrome (265363562).

The spelling of 224033140 in words is "two hundred twenty-four million, thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 97 170 194 340 388 485 970 1649 1940 3298 6596 6793 8245 13586 16490 27172 32980 33965 67930 115481 135860 230962 461924 577405 658921 1154810 1317842 2309620 2635684 3294605 6589210 11201657 13178420 22403314 44806628 56008285 112016570 224033140