[go: up one dir, main page]

Search a number
-
+
50385471 = 316795157
BaseRepresentation
bin1100000000110…
…1001000111111
310111210211212120
43000031020333
5100344313341
64555534023
71151161263
oct300151077
9114724776
1050385471
1126494394
1214a5a313
13a5919b6
1469980a3
154654066
hex300d23f

50385471 has 4 divisors (see below), whose sum is σ = 67180632. Its totient is φ = 33590312.

The previous prime is 50385463. The next prime is 50385497. The reversal of 50385471 is 17458305.

Added to its reverse (17458305) it gives a triangular number (67843776 = T11648).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50385471 - 23 = 50385463 is a prime.

It is a super-3 number, since 3×503854713 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50385871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8397576 + ... + 8397581.

It is an arithmetic number, because the mean of its divisors is an integer number (16795158).

Almost surely, 250385471 is an apocalyptic number.

50385471 is a deficient number, since it is larger than the sum of its proper divisors (16795161).

50385471 is a wasteful number, since it uses less digits than its factorization.

50385471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16795160.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 50385471 is about 7098.2723954495. The cubic root of 50385471 is about 369.3474522016.

Adding to 50385471 its reverse (17458305), we get a triangular number (67843776 = T11648).

The spelling of 50385471 in words is "fifty million, three hundred eighty-five thousand, four hundred seventy-one".

Divisors: 1 3 16795157 50385471