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2305053620 = 225412811041
BaseRepresentation
bin1000100101100100…
…0101001110110100
312221122100212010022
42021121011032310
514210043203440
61020421144312
7111056426642
oct21131051664
95848325108
102305053620
11a831629a1
12543b5b098
132a972446c
1417c1c6192
15d756dcb5
hex896453b4

2305053620 has 24 divisors (see below), whose sum is σ = 4958678088. Its totient is φ = 899532800.

The previous prime is 2305053607. The next prime is 2305053623. The reversal of 2305053620 is 263505032.

It can be written as a sum of positive squares in 4 ways, for example, as 262375204 + 2042678416 = 16198^2 + 45196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2305053620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305053623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404701 + ... + 1406340.

It is an arithmetic number, because the mean of its divisors is an integer number (206611587).

Almost surely, 22305053620 is an apocalyptic number.

2305053620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2305053620 is an abundant number, since it is smaller than the sum of its proper divisors (2653624468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2305053620 is a wasteful number, since it uses less digits than its factorization.

2305053620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811091 (or 2811089 counting only the distinct ones).

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

The square root of 2305053620 is about 48010.9739538785. The cubic root of 2305053620 is about 1320.9721985399.

Adding to 2305053620 its reverse (263505032), we get a palindrome (2568558652).

The spelling of 2305053620 in words is "two billion, three hundred five million, fifty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 2811041 5622082 11244164 14055205 28110410 56220820 115252681 230505362 461010724 576263405 1152526810 2305053620