Search a number
-
+
12104045 = 5191031237
BaseRepresentation
bin101110001011…
…000101101101
3211202221121222
4232023011231
511044312140
61111233125
7204611522
oct56130555
924687558
1012104045
116917a48
1240787a5
13267a475
141871149
1510e15b5
hexb8b16d

12104045 has 16 divisors (see below), whose sum is σ = 15450240. Its totient is φ = 9077184.

The previous prime is 12104041. The next prime is 12104063. The reversal of 12104045 is 54040121.

It is not a de Polignac number, because 12104045 - 22 = 12104041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104041) 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 15 ways as a sum of consecutive naturals, for example, 9167 + ... + 10403.

It is an arithmetic number, because the mean of its divisors is an integer number (965640).

Almost surely, 212104045 is an apocalyptic number.

It is an amenable number.

12104045 is a deficient number, since it is larger than the sum of its proper divisors (3346195).

12104045 is a wasteful number, since it uses less digits than its factorization.

12104045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12104045 is about 3479.0868054707. The cubic root of 12104045 is about 229.6026219617.

Adding to 12104045 its reverse (54040121), we get a palindrome (66144166).

The spelling of 12104045 in words is "twelve million, one hundred four thousand, forty-five".

Divisors: 1 5 19 95 103 515 1237 1957 6185 9785 23503 117515 127411 637055 2420809 12104045