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12111414 = 237457631
BaseRepresentation
bin101110001100…
…111000110110
3211210022201220
4232030320312
511100031124
61111331210
7204642150
oct56147066
924708656
1012111414
116922537
124080b06
132680923
141873ad0
1510e3879
hexb8ce36

12111414 has 32 divisors (see below), whose sum is σ = 27787776. Its totient is φ = 3447360.

The previous prime is 12111397. The next prime is 12111419. The reversal of 12111414 is 41411121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12111393 and 12111402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111419) 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, 18879 + ... + 19509.

It is an arithmetic number, because the mean of its divisors is an integer number (868368).

Almost surely, 212111414 is an apocalyptic number.

12111414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12111414 is an abundant number, since it is smaller than the sum of its proper divisors (15676362).

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

12111414 is a wasteful number, since it uses less digits than its factorization.

12111414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its digits is 32, while the sum is 15.

The square root of 12111414 is about 3480.1456866057. The cubic root of 12111414 is about 229.6492068977.

Adding to 12111414 its reverse (41411121), we get a palindrome (53522535).

The spelling of 12111414 in words is "twelve million, one hundred eleven thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 457 631 914 1262 1371 1893 2742 3199 3786 4417 6398 8834 9597 13251 19194 26502 288367 576734 865101 1730202 2018569 4037138 6055707 12111414