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12014145 = 32511131867
BaseRepresentation
bin101101110101…
…001001000001
3211121101022100
4231311021001
511033423040
61105301013
7204055443
oct55651101
924541270
1012014145
116866450
124034769
132648580
14184a493
1510c4b30
hexb75241

12014145 has 48 divisors (see below), whose sum is σ = 24478272. Its totient is φ = 5374080.

The previous prime is 12014117. The next prime is 12014153. The reversal of 12014145 is 54141021.

It is not a de Polignac number, because 12014145 - 27 = 12014017 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5502 + ... + 7368.

It is an arithmetic number, because the mean of its divisors is an integer number (509964).

Almost surely, 212014145 is an apocalyptic number.

12014145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12014145 is an abundant number, since it is smaller than the sum of its proper divisors (12464127).

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

12014145 is a wasteful number, since it uses less digits than its factorization.

12014145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12014145 is about 3466.1426687313. The cubic root of 12014145 is about 229.0327686497.

Adding to 12014145 its reverse (54141021), we get a palindrome (66155166).

The spelling of 12014145 in words is "twelve million, fourteen thousand, one hundred forty-five".

Divisors: 1 3 5 9 11 13 15 33 39 45 55 65 99 117 143 165 195 429 495 585 715 1287 1867 2145 5601 6435 9335 16803 20537 24271 28005 61611 72813 84015 102685 121355 184833 218439 266981 308055 364065 800943 924165 1092195 1334905 2402829 4004715 12014145