Search a number
-
+
50500313 = 137336781
BaseRepresentation
bin1100000010100…
…1001011011001
310112000200101222
43000221023121
5100412002223
65002221425
71152150143
oct300511331
9115020358
1050500313
11265626a6
1214ab4875
13a602056
1469c7c93
1546780c8
hex30292d9

50500313 has 4 divisors (see below), whose sum is σ = 50538468. Its totient is φ = 50462160.

The previous prime is 50500279. The next prime is 50500327. The reversal of 50500313 is 31300505.

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 24571849 + 25928464 = 4957^2 + 5092^2 .

It is a cyclic number.

It is not a de Polignac number, because 50500313 - 28 = 50500057 is a prime.

It is a super-2 number, since 2×505003132 = 5100563226195938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50500291 and 50500300.

It is not an unprimeable number, because it can be changed into a prime (50500393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17018 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (12634617).

Almost surely, 250500313 is an apocalyptic number.

It is an amenable number.

50500313 is a deficient number, since it is larger than the sum of its proper divisors (38155).

50500313 is a wasteful number, since it uses less digits than its factorization.

50500313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38154.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 50500313 is about 7106.3572243450. The cubic root of 50500313 is about 369.6278532361.

Adding to 50500313 its reverse (31300505), we get a palindrome (81800818).

The spelling of 50500313 in words is "fifty million, five hundred thousand, three hundred thirteen".

Divisors: 1 1373 36781 50500313