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111230042 = 2711722273
BaseRepresentation
bin1101010000100…
…11110001011010
321202022001221012
412220103301122
5211433330132
615012013522
72520303560
oct650236132
9252261835
10111230042
1157871860
12313012a2
131a0761c1
1410ab5a30
159b720b2
hex6a13c5a

111230042 has 16 divisors (see below), whose sum is σ = 208014912. Its totient is φ = 43336320.

The previous prime is 111230039. The next prime is 111230069. The reversal of 111230042 is 240032111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 111229999 and 111230026.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 360983 + ... + 361290.

It is an arithmetic number, because the mean of its divisors is an integer number (13000932).

Almost surely, 2111230042 is an apocalyptic number.

111230042 is a deficient number, since it is larger than the sum of its proper divisors (96784870).

111230042 is a wasteful number, since it uses less digits than its factorization.

111230042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722293.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111230042 is about 10546.5654124933. The cubic root of 111230042 is about 480.9213236290.

Adding to 111230042 its reverse (240032111), we get a palindrome (351262153).

The spelling of 111230042 in words is "one hundred eleven million, two hundred thirty thousand, forty-two".

Divisors: 1 2 7 11 14 22 77 154 722273 1444546 5055911 7945003 10111822 15890006 55615021 111230042