Search a number
-
+
52005025 = 522080201
BaseRepresentation
bin1100011001100…
…0100010100001
310121212010111001
43012120202201
5101303130100
65054352001
71201015102
oct306304241
9117763431
1052005025
11273a0166
12154bb601
13aa0ac07
146c9a3a9
154873d6a
hex31988a1

52005025 has 6 divisors (see below), whose sum is σ = 64486262. Its totient is φ = 41604000.

The previous prime is 52005013. The next prime is 52005029. The reversal of 52005025 is 52050025.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 51969681 = 188^2 + 7209^2 .

It is not a de Polignac number, because 52005025 - 221 = 49907873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52004993 and 52005011.

It is not an unprimeable number, because it can be changed into a prime (52005029) 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, 1040076 + ... + 1040125.

Almost surely, 252005025 is an apocalyptic number.

It is an amenable number.

52005025 is a deficient number, since it is larger than the sum of its proper divisors (12481237).

52005025 is a wasteful number, since it uses less digits than its factorization.

52005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080211 (or 2080206 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 52005025 is about 7211.4509635718. The cubic root of 52005025 is about 373.2631382871.

The spelling of 52005025 in words is "fifty-two million, five thousand, twenty-five".

Divisors: 1 5 25 2080201 10401005 52005025