Search a number
-
+
180224000 = 2175311
BaseRepresentation
bin10101011111000…
…00000000000000
3110120010022211222
422233200000000
5332114132000
625514454212
74315610255
oct1257400000
9416108758
10180224000
1192805a60
1250434368
132b451b28
1419d1542c
1510c4ea85
hexabe0000

180224000 has 144 divisors (see below), whose sum is σ = 490731696. Its totient is φ = 65536000.

The previous prime is 180223999. The next prime is 180224029. The reversal of 180224000 is 422081.

It is a self number, because there is not a number n which added to its sum of digits gives 180224000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16383995 + ... + 16384005.

It is an arithmetic number, because the mean of its divisors is an integer number (3407859).

Almost surely, 2180224000 is an apocalyptic number.

180224000 is a gapful number since it is divisible by the number (10) 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 180224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245365848).

180224000 is an abundant number, since it is smaller than the sum of its proper divisors (310507696).

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

180224000 is an frugal number, since it uses more digits than its factorization.

180224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 180224000 is about 13424.7532565779. The cubic root of 180224000 is about 564.8557336522.

Adding to 180224000 its reverse (422081), we get a palindrome (180646081).

It can be divided in two parts, 18022 and 4000, that added together give a palindrome (22022).

The spelling of 180224000 in words is "one hundred eighty million, two hundred twenty-four thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 125 128 160 176 200 220 250 256 275 320 352 400 440 500 512 550 640 704 800 880 1000 1024 1100 1280 1375 1408 1600 1760 2000 2048 2200 2560 2750 2816 3200 3520 4000 4096 4400 5120 5500 5632 6400 7040 8000 8192 8800 10240 11000 11264 12800 14080 16000 16384 17600 20480 22000 22528 25600 28160 32000 32768 35200 40960 44000 45056 51200 56320 64000 65536 70400 81920 88000 90112 102400 112640 128000 131072 140800 163840 176000 180224 204800 225280 256000 281600 327680 352000 360448 409600 450560 512000 563200 655360 704000 720896 819200 901120 1024000 1126400 1408000 1441792 1638400 1802240 2048000 2252800 2816000 3276800 3604480 4096000 4505600 5632000 7208960 8192000 9011200 11264000 16384000 18022400 22528000 36044800 45056000 90112000 180224000