Search a number
-
+
50021713 = 733121589
BaseRepresentation
bin1011111011010…
…0010101010001
310111010100220001
42332310111101
5100301143323
64544050001
71145114620
oct276642521
9114110801
1050021713
1126266065
1214903901
13a495261
1469016b7
1545d13ad
hex2fb4551

50021713 has 8 divisors (see below), whose sum is σ = 57343040. Its totient is φ = 42744240.

The previous prime is 50021707. The next prime is 50021747. The reversal of 50021713 is 31712005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-50021713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50021753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8478 + ... + 13111.

It is an arithmetic number, because the mean of its divisors is an integer number (7167880).

Almost surely, 250021713 is an apocalyptic number.

It is an amenable number.

50021713 is a deficient number, since it is larger than the sum of its proper divisors (7321327).

50021713 is a wasteful number, since it uses less digits than its factorization.

50021713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21927.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 50021713 is about 7072.6029861714. The cubic root of 50021713 is about 368.4564697305.

Adding to 50021713 its reverse (31712005), we get a palindrome (81733718).

The spelling of 50021713 in words is "fifty million, twenty-one thousand, seven hundred thirteen".

Divisors: 1 7 331 2317 21589 151123 7145959 50021713