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111004023 = 31319149803
BaseRepresentation
bin1101001110111…
…00100101110111
321201212120220010
412213130211313
5211404112043
615003111303
72515342614
oct647344567
9251776803
10111004023
1157727a69
1231212533
1319cc7370
1410a5750b
159b2a133
hex69dc977

111004023 has 16 divisors (see below), whose sum is σ = 167780480. Its totient is φ = 64714464.

The previous prime is 111004021. The next prime is 111004037. The reversal of 111004023 is 320400111.

It is a happy number.

It is not a de Polignac number, because 111004023 - 21 = 111004021 is a prime.

It is a super-3 number, since 3×1110040233 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111004021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74161 + ... + 75642.

It is an arithmetic number, because the mean of its divisors is an integer number (10486280).

Almost surely, 2111004023 is an apocalyptic number.

111004023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111004023 is a deficient number, since it is larger than the sum of its proper divisors (56776457).

111004023 is a wasteful number, since it uses less digits than its factorization.

111004023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149838.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 111004023 is about 10535.8446742537. The cubic root of 111004023 is about 480.5953593418.

Adding to 111004023 its reverse (320400111), we get a palindrome (431404134).

The spelling of 111004023 in words is "one hundred eleven million, four thousand, twenty-three".

Divisors: 1 3 13 19 39 57 247 741 149803 449409 1947439 2846257 5842317 8538771 37001341 111004023