Base | Representation |
---|---|
bin | 1011111110110… |
… | …0100110000001 |
3 | 10111120002000011 |
4 | 2333230212001 |
5 | 100331032121 |
6 | 4553024521 |
7 | 1150064521 |
oct | 277544601 |
9 | 114502004 |
10 | 50252161 |
11 | 26403213 |
12 | 149b5141 |
13 | a54610b |
14 | 6961681 |
15 | 46297e1 |
hex | 2fec981 |
50252161 has 8 divisors (see below), whose sum is σ = 50897000. Its totient is φ = 49610880.
The previous prime is 50252113. The next prime is 50252197. The reversal of 50252161 is 16125205.
It can be written as a sum of positive squares in 4 ways, for example, as 29376400 + 20875761 = 5420^2 + 4569^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 50252161 - 213 = 50243969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50256161) 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, 37381 + ... + 38701.
It is an arithmetic number, because the mean of its divisors is an integer number (6362125).
Almost surely, 250252161 is an apocalyptic number.
It is an amenable number.
50252161 is a deficient number, since it is larger than the sum of its proper divisors (644839).
50252161 is a wasteful number, since it uses less digits than its factorization.
50252161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1779.
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 50252161 is about 7088.8758629278. The cubic root of 50252161 is about 369.0214243723.
Adding to 50252161 its reverse (16125205), we get a palindrome (66377366).
The spelling of 50252161 in words is "fifty million, two hundred fifty-two thousand, one hundred sixty-one".
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