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12105392 = 241358199
BaseRepresentation
bin101110001011…
…011010110000
3211210000110212
4232023122300
511044333032
61111243252
7204615455
oct56133260
924700425
1012105392
116918a62
124079528
13267ac70
14187182c
1510e1bb2
hexb8b6b0

12105392 has 20 divisors (see below), whose sum is σ = 25258800. Its totient is φ = 5587008.

The previous prime is 12105391. The next prime is 12105397. The reversal of 12105392 is 29350121.

12105392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12105391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28892 + ... + 29307.

It is an arithmetic number, because the mean of its divisors is an integer number (1262940).

Almost surely, 212105392 is an apocalyptic number.

It is an amenable number.

12105392 is an abundant number, since it is smaller than the sum of its proper divisors (13153408).

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

12105392 is a wasteful number, since it uses less digits than its factorization.

12105392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58220 (or 58214 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 12105392 is about 3479.2803853671. The cubic root of 12105392 is about 229.6111387636.

The spelling of 12105392 in words is "twelve million, one hundred five thousand, three hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 58199 116398 232796 465592 756587 931184 1513174 3026348 6052696 12105392