Search a number
-
+
50471631 = 327801137
BaseRepresentation
bin1100000010001…
…0001011001111
310111222020001200
43000202023033
5100410043011
65001440543
71152000420
oct300421317
9114866050
1050471631
11265430a1
1214aa0153
13a5c1c92
1469bb647
15466e856
hex30222cf

50471631 has 12 divisors (see below), whose sum is σ = 83318352. Its totient is φ = 28840896.

The previous prime is 50471621. The next prime is 50471639. The reversal of 50471631 is 13617405.

It is not a de Polignac number, because 50471631 - 26 = 50471567 is a prime.

It is a super-2 number, since 2×504716312 = 5094771071600322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50471595 and 50471604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50471639) 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 11 ways as a sum of consecutive naturals, for example, 400506 + ... + 400631.

It is an arithmetic number, because the mean of its divisors is an integer number (6943196).

Almost surely, 250471631 is an apocalyptic number.

50471631 is a deficient number, since it is larger than the sum of its proper divisors (32846721).

50471631 is a wasteful number, since it uses less digits than its factorization.

50471631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801150 (or 801147 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 50471631 is about 7104.3388854981. The cubic root of 50471631 is about 369.5578624236.

The spelling of 50471631 in words is "fifty million, four hundred seventy-one thousand, six hundred thirty-one".

Divisors: 1 3 7 9 21 63 801137 2403411 5607959 7210233 16823877 50471631