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2343120520 = 235134506001
BaseRepresentation
bin1000101110101001…
…0010111010001000
320001021222212002111
42023222102322020
514244314324040
61024301112104
7112031124106
oct21352227210
96037885074
102343120520
11aa26a3144
12554858634
132b4592160
14183294c76
15daa8cdea
hex8ba92e88

2343120520 has 32 divisors (see below), whose sum is σ = 5677562520. Its totient is φ = 865152000.

The previous prime is 2343120517. The next prime is 2343120587. The reversal of 2343120520 is 250213432.

It can be written as a sum of positive squares in 4 ways, for example, as 981067684 + 1362052836 = 31322^2 + 36906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2343120491 and 2343120500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252481 + ... + 2253520.

Almost surely, 22343120520 is an apocalyptic number.

2343120520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343120520 is an abundant number, since it is smaller than the sum of its proper divisors (3334442000).

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

2343120520 is a wasteful number, since it uses less digits than its factorization.

2343120520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506025 (or 4506021 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2343120520 is about 48405.7901495265. The cubic root of 2343120520 is about 1328.2042813074.

Adding to 2343120520 its reverse (250213432), we get a palindrome (2593333952).

The spelling of 2343120520 in words is "two billion, three hundred forty-three million, one hundred twenty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 4506001 9012002 18024004 22530005 36048008 45060010 58578013 90120020 117156026 180240040 234312052 292890065 468624104 585780130 1171560260 2343120520