Search a number
-
+
2550530525 = 52459722193
BaseRepresentation
bin1001100000000110…
…0000000111011101
320120202021101010112
42120001200013131
520210413434100
61101030415405
7120130103024
oct23001400735
96522241115
102550530525
111099787374
125b2201565
1331854217a
141a2a458bb
15eddacb35
hex980601dd

2550530525 has 12 divisors (see below), whose sum is σ = 3163488372. Its totient is φ = 2039888640.

The previous prime is 2550530503. The next prime is 2550530557. The reversal of 2550530525 is 5250350552.

It can be written as a sum of positive squares in 6 ways, for example, as 36711481 + 2513819044 = 6059^2 + 50138^2 .

It is not a de Polignac number, because 2550530525 - 26 = 2550530461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2550530491 and 2550530500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103829 + ... + 126021.

It is an arithmetic number, because the mean of its divisors is an integer number (263624031).

Almost surely, 22550530525 is an apocalyptic number.

2550530525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2550530525 is a deficient number, since it is larger than the sum of its proper divisors (612957847).

2550530525 is a wasteful number, since it uses less digits than its factorization.

2550530525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26800 (or 26795 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 2550530525 is about 50502.7773988718. Note that the first 3 decimals coincide. The cubic root of 2550530525 is about 1366.2919468073.

The spelling of 2550530525 in words is "two billion, five hundred fifty million, five hundred thirty thousand, five hundred twenty-five".

Divisors: 1 5 25 4597 22193 22985 110965 114925 554825 102021221 510106105 2550530525