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14105412 = 2232391817
BaseRepresentation
bin110101110011…
…101101000100
3222112121222200
4311303231010
512102333122
61222154500
7230615436
oct65635504
928477880
1014105412
117a64672
124882a30
132bcb3c9
141c32656
1513895ac
hexd73b44

14105412 has 18 divisors (see below), whose sum is σ = 35655438. Its totient is φ = 4701792.

The previous prime is 14105411. The next prime is 14105423. The reversal of 14105412 is 21450141.

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 665856 = 3666^2 + 816^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (14105411) 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 5 ways as a sum of consecutive naturals, for example, 195873 + ... + 195944.

Almost surely, 214105412 is an apocalyptic number.

14105412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14105412 is an abundant number, since it is smaller than the sum of its proper divisors (21550026).

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

14105412 is a wasteful number, since it uses less digits than its factorization.

14105412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391827 (or 391822 counting only the distinct ones).

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

The square root of 14105412 is about 3755.7172417529. The cubic root of 14105412 is about 241.6176143540.

Adding to 14105412 its reverse (21450141), we get a palindrome (35555553).

The spelling of 14105412 in words is "fourteen million, one hundred five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 391817 783634 1175451 1567268 2350902 3526353 4701804 7052706 14105412