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111100230 = 23253074021
BaseRepresentation
bin1101001111101…
…00000101000110
321202001110212100
412213310011012
5211420201410
615005132530
72516223243
oct647640506
9252043770
10111100230
115779327a
123125a146
131a02c0a7
1410a805ca
159b488c0
hex69f4146

111100230 has 48 divisors (see below), whose sum is σ = 289873584. Its totient is φ = 29522880.

The previous prime is 111100207. The next prime is 111100237. The reversal of 111100230 is 32001111.

It is a super-2 number, since 2×1111002302 = 24686522212105800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100237) 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 23 ways as a sum of consecutive naturals, for example, 25620 + ... + 29640.

It is an arithmetic number, because the mean of its divisors is an integer number (6039033).

Almost surely, 2111100230 is an apocalyptic number.

111100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100230 is an abundant number, since it is smaller than the sum of its proper divisors (178773354).

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

111100230 is a wasteful number, since it uses less digits than its factorization.

111100230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 111100230 is about 10540.4093848389. The cubic root of 111100230 is about 480.7341629790.

Adding to 111100230 its reverse (32001111), we get a palindrome (143101341).

The spelling of 111100230 in words is "one hundred eleven million, one hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 307 614 921 1535 1842 2763 3070 4021 4605 5526 8042 9210 12063 13815 20105 24126 27630 36189 40210 60315 72378 120630 180945 361890 1234447 2468894 3703341 6172235 7406682 11110023 12344470 18516705 22220046 37033410 55550115 111100230