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224455680 = 2103254871
BaseRepresentation
bin11010110000011…
…10110000000000
3120122100112022100
431120032300000
5424430040210
634134510400
75363561511
oct1530166000
9518315270
10224455680
11105776969
1263205400
133766a817
1421b4aa08
1514a8a5c0
hexd60ec00

224455680 has 132 divisors (see below), whose sum is σ = 777892752. Its totient is φ = 59842560.

The previous prime is 224455667. The next prime is 224455687. The reversal of 224455680 is 86554422.

It is a happy number.

224455680 is a `hidden beast` number, since 2 + 24 + 4 + 556 + 80 = 666.

224455680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (224455687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43645 + ... + 48515.

Almost surely, 2224455680 is an apocalyptic number.

224455680 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 224455680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388946376).

224455680 is an abundant number, since it is smaller than the sum of its proper divisors (553437072).

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

224455680 is a wasteful number, since it uses less digits than its factorization.

224455680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902 (or 4881 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 224455680 is about 14981.8450132152. The cubic root of 224455680 is about 607.7293347420.

The spelling of 224455680 in words is "two hundred twenty-four million, four hundred fifty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1024 1152 1280 1440 1536 1920 2304 2560 2880 3072 3840 4608 4871 5120 5760 7680 9216 9742 11520 14613 15360 19484 23040 24355 29226 38968 43839 46080 48710 58452 73065 77936 87678 97420 116904 146130 155872 175356 194840 219195 233808 292260 311744 350712 389680 438390 467616 584520 623488 701424 779360 876780 935232 1169040 1246976 1402848 1558720 1753560 1870464 2338080 2493952 2805696 3117440 3507120 3740928 4676160 4987904 5611392 6234880 7014240 7481856 9352320 11222784 12469760 14028480 14963712 18704640 22445568 24939520 28056960 37409280 44891136 56113920 74818560 112227840 224455680