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223074432 = 273379221
BaseRepresentation
bin11010100101111…
…01100010000000
3120112202100121000
431102331202000
5424101340212
634045132000
75346046530
oct1522754200
9515670530
10223074432
11104a13139
126285a000
13372a5c09
14218ab4c0
15148b61dc
hexd4bd880

223074432 has 128 divisors (see below), whose sum is σ = 752515200. Its totient is φ = 63728640.

The previous prime is 223074431. The next prime is 223074451. The reversal of 223074432 is 234470322.

223074432 is a `hidden beast` number, since 223 + 0 + 7 + 4 + 432 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×2230744323 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 223074396 and 223074405.

It is not an unprimeable number, because it can be changed into a prime (223074431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19582 + ... + 28802.

It is an arithmetic number, because the mean of its divisors is an integer number (5879025).

Almost surely, 2223074432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223074432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376257600).

223074432 is an abundant number, since it is smaller than the sum of its proper divisors (529440768).

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

223074432 is an equidigital number, since it uses as much as digits as its factorization.

223074432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251 (or 9233 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 223074432 is about 14935.6764828380. The cubic root of 223074432 is about 606.4801605705.

The spelling of 223074432 in words is "two hundred twenty-three million, seventy-four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 288 336 378 384 432 448 504 576 672 756 864 896 1008 1152 1344 1512 1728 2016 2688 3024 3456 4032 6048 8064 9221 12096 18442 24192 27663 36884 55326 64547 73768 82989 110652 129094 147536 165978 193641 221304 248967 258188 295072 331956 387282 442608 497934 516376 580923 590144 663912 774564 885216 995868 1032752 1161846 1180288 1327824 1549128 1742769 1770432 1991736 2065504 2323692 2655648 3098256 3485538 3540864 3983472 4131008 4647384 5311296 6196512 6971076 7966944 8262016 9294768 10622592 12393024 13942152 15933888 18589536 24786048 27884304 31867776 37179072 55768608 74358144 111537216 223074432