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2305255540 = 225716466111
BaseRepresentation
bin1000100101100111…
…0110100001110100
312221122202010002211
42021121312201310
514210121134130
61020425343204
7111061230430
oct21131664164
95848663084
102305255540
11a83290675
12544037b04
132a9795343
1417c2399c0
15d75ada2a
hex89676874

2305255540 has 24 divisors (see below), whose sum is σ = 5532613632. Its totient is φ = 790373280.

The previous prime is 2305255517. The next prime is 2305255549. The reversal of 2305255540 is 455525032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305255549) 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, 8232916 + ... + 8233195.

It is an arithmetic number, because the mean of its divisors is an integer number (230525568).

Almost surely, 22305255540 is an apocalyptic number.

2305255540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2305255540 is an abundant number, since it is smaller than the sum of its proper divisors (3227358092).

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

2305255540 is a wasteful number, since it uses less digits than its factorization.

2305255540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16466127 (or 16466125 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 2305255540 is about 48013.0767603993. The cubic root of 2305255540 is about 1321.0107692867.

The spelling of 2305255540 in words is "two billion, three hundred five million, two hundred fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 16466111 32932222 65864444 82330555 115262777 164661110 230525554 329322220 461051108 576313885 1152627770 2305255540