[go: up one dir, main page]

Search a number
-
+
214113121 = 376956809
BaseRepresentation
bin11001100001100…
…01101101100001
3112220220001222121
430300301231201
5414303104441
633125104241
75206634335
oct1460615541
9486801877
10214113121
11aa9523a2
125b858081
1335489071
14206177c5
1513be5dd1
hexcc31b61

214113121 has 4 divisors (see below), whose sum is σ = 214173700. Its totient is φ = 214052544.

The previous prime is 214113091. The next prime is 214113139. The reversal of 214113121 is 121311412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66830625 + 147282496 = 8175^2 + 12136^2 .

It is a cyclic number.

It is not a de Polignac number, because 214113121 - 25 = 214113089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214113095 and 214113104.

It is not an unprimeable number, because it can be changed into a prime (214113421) 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, 24636 + ... + 32173.

It is an arithmetic number, because the mean of its divisors is an integer number (53543425).

Almost surely, 2214113121 is an apocalyptic number.

It is an amenable number.

214113121 is a deficient number, since it is larger than the sum of its proper divisors (60579).

214113121 is an equidigital number, since it uses as much as digits as its factorization.

214113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60578.

The product of its digits is 48, while the sum is 16.

The square root of 214113121 is about 14632.6047236984. The cubic root of 214113121 is about 598.2477776576.

Adding to 214113121 its reverse (121311412), we get a palindrome (335424533).

The spelling of 214113121 in words is "two hundred fourteen million, one hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 3769 56809 214113121