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12091041 = 3243157199
BaseRepresentation
bin101110000111…
…111010100001
3211202021210100
4232013322201
511043403131
61111053013
7204525564
oct56077241
924667710
1012091041
1169091a6
124071169
132674581
14186a4db
1510dc7e6
hexb87ea1

12091041 has 24 divisors (see below), whose sum is σ = 18075200. Its totient is φ = 7783776.

The previous prime is 12091033. The next prime is 12091061. The reversal of 12091041 is 14019021.

12091041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12091041 - 23 = 12091033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12091061) 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 23 ways as a sum of consecutive naturals, for example, 60660 + ... + 60858.

Almost surely, 212091041 is an apocalyptic number.

It is an amenable number.

12091041 is a deficient number, since it is larger than the sum of its proper divisors (5984159).

12091041 is a wasteful number, since it uses less digits than its factorization.

12091041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12091041 is about 3477.2174220201. The cubic root of 12091041 is about 229.5203678507.

The spelling of 12091041 in words is "twelve million, ninety-one thousand, forty-one".

Divisors: 1 3 9 43 129 157 199 387 471 597 1413 1791 6751 8557 20253 25671 31243 60759 77013 93729 281187 1343449 4030347 12091041