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224788480 = 217573
BaseRepresentation
bin11010110011000…
…00000000000000
3120122222102211021
431121200000000
5430021212410
634145555224
75366446000
oct1531400000
9518872737
10224788480
11105983a04
1263345b14
1337756147
1421bd6000
1514b03eda
hexd660000

224788480 has 144 divisors (see below), whose sum is σ = 629143200. Its totient is φ = 77070336.

The previous prime is 224788469. The next prime is 224788507. The reversal of 224788480 is 84887422.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32112637 + ... + 32112643.

It is an arithmetic number, because the mean of its divisors is an integer number (4369050).

Almost surely, 2224788480 is an apocalyptic number.

224788480 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 224788480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314571600).

224788480 is an abundant number, since it is smaller than the sum of its proper divisors (404354720).

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

224788480 is an frugal number, since it uses more digits than its factorization.

224788480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 43.

The square root of 224788480 is about 14992.9476754906. The cubic root of 224788480 is about 608.0295461173.

The spelling of 224788480 in words is "two hundred twenty-four million, seven hundred eighty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 343 392 448 490 512 560 640 686 784 896 980 1024 1120 1280 1372 1568 1715 1792 1960 2048 2240 2560 2744 3136 3430 3584 3920 4096 4480 5120 5488 6272 6860 7168 7840 8192 8960 10240 10976 12544 13720 14336 15680 16384 17920 20480 21952 25088 27440 28672 31360 32768 35840 40960 43904 50176 54880 57344 62720 65536 71680 81920 87808 100352 109760 114688 125440 131072 143360 163840 175616 200704 219520 229376 250880 286720 327680 351232 401408 439040 458752 501760 573440 655360 702464 802816 878080 917504 1003520 1146880 1404928 1605632 1756160 2007040 2293760 2809856 3211264 3512320 4014080 4587520 5619712 6422528 7024640 8028160 11239424 14049280 16056320 22478848 28098560 32112640 44957696 56197120 112394240 224788480