Search a number
-
+
50340121 = 133872317
BaseRepresentation
bin1100000000001…
…0000100011001
310111201112122221
43000002010121
5100341340441
64554544041
71150612126
oct300020431
9114645587
1050340121
1126463307
1214a38021
13a577170
14698574d
1546458d1
hex3002119

50340121 has 4 divisors (see below), whose sum is σ = 54212452. Its totient is φ = 46467792.

The previous prime is 50340083. The next prime is 50340137. The reversal of 50340121 is 12104305.

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 16281225 + 34058896 = 4035^2 + 5836^2 .

It is a cyclic number.

It is not a de Polignac number, because 50340121 - 29 = 50339609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50340095 and 50340104.

It is not an unprimeable number, because it can be changed into a prime (50340221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936146 + ... + 1936171.

It is an arithmetic number, because the mean of its divisors is an integer number (13553113).

Almost surely, 250340121 is an apocalyptic number.

It is an amenable number.

50340121 is a deficient number, since it is larger than the sum of its proper divisors (3872331).

50340121 is a wasteful number, since it uses less digits than its factorization.

50340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872330.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 50340121 is about 7095.0772370708. The cubic root of 50340121 is about 369.2366071871.

Adding to 50340121 its reverse (12104305), we get a palindrome (62444426).

The spelling of 50340121 in words is "fifty million, three hundred forty thousand, one hundred twenty-one".

Divisors: 1 13 3872317 50340121