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30100224 = 283711509
BaseRepresentation
bin111001011010…
…0101100000000
32002122020202010
41302310230000
530201201344
62553052520
7513563520
oct162645400
962566663
1030100224
1115a99820
12a0b7140
13630b7ab
143dd7680
1529988b9
hex1cb4b00

30100224 has 144 divisors (see below), whose sum is σ = 100074240. Its totient is φ = 7802880.

The previous prime is 30100223. The next prime is 30100229. The reversal of 30100224 is 42200103.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (30100223) 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, 58882 + ... + 59390.

It is an arithmetic number, because the mean of its divisors is an integer number (694960).

Almost surely, 230100224 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 30100224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50037120).

30100224 is an abundant number, since it is smaller than the sum of its proper divisors (69974016).

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

30100224 is a wasteful number, since it uses less digits than its factorization.

30100224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30100224 is about 5486.3671040134. The cubic root of 30100224 is about 311.0688873914.

Adding to 30100224 its reverse (42200103), we get a palindrome (72300327).

The spelling of 30100224 in words is "thirty million, one hundred thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 84 88 96 112 128 132 154 168 176 192 224 231 256 264 308 336 352 384 448 462 509 528 616 672 704 768 896 924 1018 1056 1232 1344 1408 1527 1792 1848 2036 2112 2464 2688 2816 3054 3563 3696 4072 4224 4928 5376 5599 6108 7126 7392 8144 8448 9856 10689 11198 12216 14252 14784 16288 16797 19712 21378 22396 24432 28504 29568 32576 33594 39193 42756 44792 48864 57008 59136 65152 67188 78386 85512 89584 97728 114016 117579 130304 134376 156772 171024 179168 195456 228032 235158 268752 313544 342048 358336 390912 456064 470316 537504 627088 684096 716672 912128 940632 1075008 1254176 1368192 1433344 1881264 2150016 2508352 2736384 3762528 4300032 5016704 7525056 10033408 15050112 30100224