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2284640825 = 52181504893
BaseRepresentation
bin1000100000101100…
…1101101000111001
312220012221210000212
42020023031220321
514134332001300
61014411440505
7110421061265
oct21013155071
95805853025
102284640825
11a72690515
12539156135
132a542819c
141795d10a5
15d588a935
hex882cda39

2284640825 has 12 divisors (see below), whose sum is σ = 2848611948. Its totient is φ = 1817611200.

The previous prime is 2284640803. The next prime is 2284640833. The reversal of 2284640825 is 5280464822.

It can be written as a sum of positive squares in 6 ways, for example, as 171583801 + 2113057024 = 13099^2 + 45968^2 .

It is not a de Polignac number, because 2284640825 - 28 = 2284640569 is a prime.

It is a Duffinian 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, 247922 + ... + 256971.

It is an arithmetic number, because the mean of its divisors is an integer number (237384329).

Almost surely, 22284640825 is an apocalyptic number.

2284640825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2284640825 is a deficient number, since it is larger than the sum of its proper divisors (563971123).

2284640825 is a wasteful number, since it uses less digits than its factorization.

2284640825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505084 (or 505079 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 2284640825 is about 47797.9165340917. The cubic root of 2284640825 is about 1317.0612662998.

The spelling of 2284640825 in words is "two billion, two hundred eighty-four million, six hundred forty thousand, eight hundred twenty-five".

Divisors: 1 5 25 181 905 4525 504893 2524465 12622325 91385633 456928165 2284640825