Search a number
-
+
50073993 = 32172931117
BaseRepresentation
bin1011111100000…
…1000110001001
310111020000121100
42333001012021
5100304331433
64545132013
71145423214
oct277010611
9114200540
1050073993
11262a1372
121492a009
13a4b2ca8
14691677b
1545e1b13
hex2fc1189

50073993 has 24 divisors (see below), whose sum is σ = 76913928. Its totient is φ = 31283712.

The previous prime is 50073977. The next prime is 50074001. The reversal of 50073993 is 39937005.

It can be written as a sum of positive squares in 4 ways, for example, as 12766329 + 37307664 = 3573^2 + 6108^2 .

It is not a de Polignac number, because 50073993 - 24 = 50073977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50073943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44271 + ... + 45387.

It is an arithmetic number, because the mean of its divisors is an integer number (3204747).

Almost surely, 250073993 is an apocalyptic number.

It is an amenable number.

50073993 is a deficient number, since it is larger than the sum of its proper divisors (26839935).

50073993 is a wasteful number, since it uses less digits than its factorization.

50073993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 50073993 is about 7076.2979728104. The cubic root of 50073993 is about 368.5847886553.

The spelling of 50073993 in words is "fifty million, seventy-three thousand, nine hundred ninety-three".

Divisors: 1 3 9 17 51 153 293 879 1117 2637 3351 4981 10053 14943 18989 44829 56967 170901 327281 981843 2945529 5563777 16691331 50073993