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111302230 = 25131750363
BaseRepresentation
bin1101010001001…
…01011001010110
321202102201221211
412220211121112
5211443132410
615013332034
72521024204
oct650453126
9252381854
10111302230
1157911016
123133701a
131a0a0010
1410ad4074
159b8868a
hex6a25656

111302230 has 32 divisors (see below), whose sum is σ = 228451104. Its totient is φ = 38678016.

The previous prime is 111302207. The next prime is 111302237. The reversal of 111302230 is 32203111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 111302230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111302237) 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, 22972 + ... + 27391.

It is an arithmetic number, because the mean of its divisors is an integer number (7139097).

Almost surely, 2111302230 is an apocalyptic number.

111302230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111302230 is an abundant number, since it is smaller than the sum of its proper divisors (117148874).

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

111302230 is a wasteful number, since it uses less digits than its factorization.

111302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50400.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 111302230 is about 10549.9872037837. The cubic root of 111302230 is about 481.0253400147.

Adding to 111302230 its reverse (32203111), we get a palindrome (143505341).

The spelling of 111302230 in words is "one hundred eleven million, three hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 50363 100726 251815 503630 654719 856171 1309438 1712342 3273595 4280855 6547190 8561710 11130223 22260446 55651115 111302230