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111030318 = 23372391229
BaseRepresentation
bin1101001111000…
…11000000101110
321201220220222000
412213203000232
5211410432233
615003433130
72515512360
oct647430056
9251826860
10111030318
11577457a3
12312257a6
131a006319
1410a62d30
159b32d13
hex69e302e

111030318 has 64 divisors (see below), whose sum is σ = 283392000. Its totient is φ = 31564512.

The previous prime is 111030317. The next prime is 111030329. The reversal of 111030318 is 813030111.

It is a happy number.

It is a super-2 number, since 2×1110303182 = 24655463030362248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 111030318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111030317) 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 31 ways as a sum of consecutive naturals, for example, 89728 + ... + 90956.

It is an arithmetic number, because the mean of its divisors is an integer number (4428000).

Almost surely, 2111030318 is an apocalyptic number.

111030318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111030318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141696000).

111030318 is an abundant number, since it is smaller than the sum of its proper divisors (172361682).

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

111030318 is a wasteful number, since it uses less digits than its factorization.

111030318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111030318 is about 10537.0924832233. The cubic root of 111030318 is about 480.6333046850.

Adding to 111030318 its reverse (813030111), we get a palindrome (924060429).

The spelling of 111030318 in words is "one hundred eleven million, thirty thousand, three hundred eighteen".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 239 378 478 717 1229 1434 1673 2151 2458 3346 3687 4302 5019 6453 7374 8603 10038 11061 12906 15057 17206 22122 25809 30114 33183 45171 51618 66366 77427 90342 154854 232281 293731 464562 587462 881193 1762386 2056117 2643579 4112234 5287158 6168351 7930737 12336702 15861474 18505053 37010106 55515159 111030318