[go: up one dir, main page]

Search a number
-
+
12380203 = 111125473
BaseRepresentation
bin101111001110…
…100000101011
3212021222110001
4233032200223
511132131303
61121203431
7210141613
oct57164053
925258401
1012380203
116a96480
124190577
132746084
141903a43
15114831d
hexbce82b

12380203 has 4 divisors (see below), whose sum is σ = 13505688. Its totient is φ = 11254720.

The previous prime is 12380201. The next prime is 12380209. The reversal of 12380203 is 30208321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12380203 - 21 = 12380201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12380201) 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 3 ways as a sum of consecutive naturals, for example, 562726 + ... + 562747.

It is an arithmetic number, because the mean of its divisors is an integer number (3376422).

Almost surely, 212380203 is an apocalyptic number.

12380203 is a deficient number, since it is larger than the sum of its proper divisors (1125485).

12380203 is a wasteful number, since it uses less digits than its factorization.

12380203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125484.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12380203 is about 3518.5512643700. The cubic root of 12380203 is about 231.3356626393.

Adding to 12380203 its reverse (30208321), we get a palindrome (42588524).

The spelling of 12380203 in words is "twelve million, three hundred eighty thousand, two hundred three".

Divisors: 1 11 1125473 12380203