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30110886 = 2331359727
BaseRepresentation
bin111001011011…
…1010010100110
32002122210101000
41302313102212
530202022021
62553214130
7513636561
oct162672246
962583330
1030110886
1115aa6833
12a101346
1363135c0
143ddb4d8
15299bb26
hex1cb74a6

30110886 has 64 divisors (see below), whose sum is σ = 73382400. Its totient is φ = 9095328.

The previous prime is 30110849. The next prime is 30110897. The reversal of 30110886 is 68801103.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41055 + ... + 41781.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 230110886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30110886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36691200).

30110886 is an abundant number, since it is smaller than the sum of its proper divisors (43271514).

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

30110886 is a wasteful number, since it uses less digits than its factorization.

30110886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 30110886 is about 5487.3386992239. The cubic root of 30110886 is about 311.1056116469.

Adding to 30110886 its reverse (68801103), we get a palindrome (98911989).

The spelling of 30110886 in words is "thirty million, one hundred ten thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 59 78 117 118 177 234 351 354 531 702 727 767 1062 1454 1534 1593 2181 2301 3186 4362 4602 6543 6903 9451 13086 13806 18902 19629 20709 28353 39258 41418 42893 56706 85059 85786 128679 170118 255177 257358 386037 510354 557609 772074 1115218 1158111 1672827 2316222 3345654 5018481 10036962 15055443 30110886