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2305500240 = 24359606251
BaseRepresentation
bin1000100101101011…
…0010010001010000
312221200012112202210
42021122302101100
514210202001430
61020434512120
7111063300021
oct21132622120
95850175683
102305500240
11a834384aa
12544135640
132a984c834
1417c2a0c48
15d760b2b0
hex896b2450

2305500240 has 40 divisors (see below), whose sum is σ = 7147051488. Its totient is φ = 614800000.

The previous prime is 2305500209. The next prime is 2305500247. The reversal of 2305500240 is 420055032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305500247) 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, 4802886 + ... + 4803365.

Almost surely, 22305500240 is an apocalyptic number.

2305500240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2305500240 is an abundant number, since it is smaller than the sum of its proper divisors (4841551248).

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

2305500240 is a wasteful number, since it uses less digits than its factorization.

2305500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606267 (or 9606261 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2305500240 is about 48015.6249568825. The cubic root of 2305500240 is about 1321.0575088480.

Adding to 2305500240 its reverse (420055032), we get a palindrome (2725555272).

The spelling of 2305500240 in words is "two billion, three hundred five million, five hundred thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 9606251 19212502 28818753 38425004 48031255 57637506 76850008 96062510 115275012 144093765 153700016 192125020 230550024 288187530 384250040 461100048 576375060 768500080 1152750120 2305500240