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12141912 = 2331926627
BaseRepresentation
bin101110010100…
…010101011000
3211211212120110
4232110111120
511102020122
61112124320
7205130106
oct56242530
924755513
1012141912
116943442
1240966a0
132691783
141880c76
1510ec90c
hexb94558

12141912 has 32 divisors (see below), whose sum is σ = 31953600. Its totient is φ = 3834144.

The previous prime is 12141911. The next prime is 12141919. The reversal of 12141912 is 21914121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12858 + ... + 13769.

It is an arithmetic number, because the mean of its divisors is an integer number (998550).

Almost surely, 212141912 is an apocalyptic number.

12141912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12141912 is an abundant number, since it is smaller than the sum of its proper divisors (19811688).

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

12141912 is a wasteful number, since it uses less digits than its factorization.

12141912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26655 (or 26651 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 12141912 is about 3484.5246447686. The cubic root of 12141912 is about 229.8418067841.

The spelling of 12141912 in words is "twelve million, one hundred forty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 26627 53254 79881 106508 159762 213016 319524 505913 639048 1011826 1517739 2023652 3035478 4047304 6070956 12141912