Search a number
-
+
224022560 = 2551400141
BaseRepresentation
bin11010101101001…
…01000000100000
3120121112112011212
431112211000200
5424322210220
634121325252
75360105666
oct1526450040
9517475155
10224022560
11105500513
1263036828
1337548638
1421a76c36
1514a020c5
hexd5a5020

224022560 has 24 divisors (see below), whose sum is σ = 529253676. Its totient is φ = 89608960.

The previous prime is 224022529. The next prime is 224022569. The reversal of 224022560 is 65220422.

It can be written as a sum of positive squares in 2 ways, for example, as 217031824 + 6990736 = 14732^2 + 2644^2 .

It is a super-2 number, since 2×2240225602 = 100372214777907200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (224022569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699911 + ... + 700230.

Almost surely, 2224022560 is an apocalyptic number.

224022560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224022560 is an abundant number, since it is smaller than the sum of its proper divisors (305231116).

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

224022560 is a wasteful number, since it uses less digits than its factorization.

224022560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400156 (or 1400148 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 224022560 is about 14967.3832048224. The cubic root of 224022560 is about 607.3381822167.

Adding to 224022560 its reverse (65220422), we get a palindrome (289242982).

The spelling of 224022560 in words is "two hundred twenty-four million, twenty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1400141 2800282 5600564 7000705 11201128 14001410 22402256 28002820 44804512 56005640 112011280 224022560