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2306530025 = 52257358993
BaseRepresentation
bin1000100101111010…
…1101101011101001
312221202010212100222
42021132231223221
514210432430100
61020512535425
7111105116222
oct21136555351
95852125328
102306530025
11a83a81168
12544551575
132a9b20487
1417c48c249
15d7761485
hex897adae9

2306530025 has 12 divisors (see below), whose sum is σ = 2871234012. Its totient is φ = 1838039040.

The previous prime is 2306530021. The next prime is 2306530049. The reversal of 2306530025 is 5200356032.

It can be written as a sum of positive squares in 6 ways, for example, as 75290329 + 2231239696 = 8677^2 + 47236^2 .

It is not a de Polignac number, because 2306530025 - 22 = 2306530021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2306529976 and 2306530003.

It is not an unprimeable number, because it can be changed into a prime (2306530021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173072 + ... + 185921.

It is an arithmetic number, because the mean of its divisors is an integer number (239269501).

Almost surely, 22306530025 is an apocalyptic number.

2306530025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2306530025 is a deficient number, since it is larger than the sum of its proper divisors (564703987).

2306530025 is a wasteful number, since it uses less digits than its factorization.

2306530025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359260 (or 359255 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2306530025 is about 48026.3471960964. The cubic root of 2306530025 is about 1321.2541693797.

Adding to 2306530025 its reverse (5200356032), we get a palindrome (7506886057).

The spelling of 2306530025 in words is "two billion, three hundred six million, five hundred thirty thousand, twenty-five".

Divisors: 1 5 25 257 1285 6425 358993 1794965 8974825 92261201 461306005 2306530025