Search a number
-
+
50725061 = 2692701
BaseRepresentation
bin1100000110000…
…0000011000101
310112110002200222
43001200003011
5100441200221
65011114125
71154104322
oct301400305
9115402628
1050725061
11266a6542
1214ba2945
13a68043a
146a45b49
1546be9ab
hex30600c5

50725061 has 6 divisors (see below), whose sum is σ = 50986962. Its totient is φ = 50464400.

The previous prime is 50725057. The next prime is 50725063. The reversal of 50725061 is 16052705.

It can be written as a sum of positive squares in 3 ways, for example, as 244036 + 50481025 = 494^2 + 7105^2 .

It is not a de Polignac number, because 50725061 - 22 = 50725057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50725061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50725063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72011 + ... + 72711.

It is an arithmetic number, because the mean of its divisors is an integer number (8497827).

Almost surely, 250725061 is an apocalyptic number.

It is an amenable number.

50725061 is a deficient number, since it is larger than the sum of its proper divisors (261901).

50725061 is an frugal number, since it uses more digits than its factorization.

50725061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 50725061 is about 7122.1528346421. The cubic root of 50725061 is about 370.1753758332.

Adding to 50725061 its reverse (16052705), we get a palindrome (66777766).

The spelling of 50725061 in words is "fifty million, seven hundred twenty-five thousand, sixty-one".

Divisors: 1 269 701 72361 188569 50725061