Search a number
-
+
50206161 = 316735387
BaseRepresentation
bin1011111110000…
…1010111010001
310111110201220110
42333201113101
5100323044121
64552031533
71146513435
oct277412721
9114421813
1050206161
11263816a5
12149925a9
13a52b1b5
14694c9c5
15461ad76
hex2fe15d1

50206161 has 4 divisors (see below), whose sum is σ = 66941552. Its totient is φ = 33470772.

The previous prime is 50206153. The next prime is 50206183. The reversal of 50206161 is 16160205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50206161 - 23 = 50206153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50206361) 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, 8367691 + ... + 8367696.

It is an arithmetic number, because the mean of its divisors is an integer number (16735388).

Almost surely, 250206161 is an apocalyptic number.

It is an amenable number.

50206161 is a deficient number, since it is larger than the sum of its proper divisors (16735391).

50206161 is a wasteful number, since it uses less digits than its factorization.

50206161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16735390.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 50206161 is about 7085.6306000242. The cubic root of 50206161 is about 368.9087912877.

Adding to 50206161 its reverse (16160205), we get a palindrome (66366366).

The spelling of 50206161 in words is "fifty million, two hundred six thousand, one hundred sixty-one".

Divisors: 1 3 16735387 50206161