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223074880 = 2657531879
BaseRepresentation
bin11010100101111…
…01101001000000
3120112202101012121
431102331221000
5424101344010
634045134024
75346051040
oct1522755100
9515671177
10223074880
11104a13506
126285a314
13372a6192
14218ab720
15148b63da
hexd4bda40

223074880 has 112 divisors (see below), whose sum is σ = 618865920. Its totient is φ = 74999808.

The previous prime is 223074871. The next prime is 223074881. The reversal of 223074880 is 88470322.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×2230748803 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223074881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117781 + ... + 119659.

Almost surely, 2223074880 is an apocalyptic number.

223074880 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 223074880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309432960).

223074880 is an abundant number, since it is smaller than the sum of its proper divisors (395791040).

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

223074880 is a wasteful number, since it uses less digits than its factorization.

223074880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 223074880 is about 14935.6914804772. The cubic root of 223074880 is about 606.4805665679.

The spelling of 223074880 in words is "two hundred twenty-three million, seventy-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 53 56 64 70 80 106 112 140 160 212 224 265 280 320 371 424 448 530 560 742 848 1060 1120 1484 1696 1855 1879 2120 2240 2968 3392 3710 3758 4240 5936 7420 7516 8480 9395 11872 13153 14840 15032 16960 18790 23744 26306 29680 30064 37580 52612 59360 60128 65765 75160 99587 105224 118720 120256 131530 150320 199174 210448 263060 300640 398348 420896 497935 526120 601280 697109 796696 841792 995870 1052240 1394218 1593392 1991740 2104480 2788436 3186784 3485545 3983480 4208960 5576872 6373568 6971090 7966960 11153744 13942180 15933920 22307488 27884360 31867840 44614976 55768720 111537440 223074880