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2340304020 = 2232537351397
BaseRepresentation
bin1000101101111110…
…0011010010010100
320001002200202120200
42023133203102110
514243104212040
61024120500500
7111665153535
oct21337432224
96032622520
102340304020
11aa104a05a
1255391a730
132b3b171a2
14182b6068c
15da6d3630
hex8b7e3494

2340304020 has 72 divisors (see below), whose sum is σ = 7290805704. Its totient is φ = 607212288.

The previous prime is 2340303961. The next prime is 2340304063. The reversal of 2340304020 is 204030432.

2340304020 is a `hidden beast` number, since 2 + 340 + 304 + 0 + 20 = 666.

2340304020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1354092804 + 986211216 = 36798^2 + 31404^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2340303984 and 2340304002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169039 + ... + 182358.

Almost surely, 22340304020 is an apocalyptic number.

2340304020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340304020 is an abundant number, since it is smaller than the sum of its proper divisors (4950501684).

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

2340304020 is a wasteful number, since it uses less digits than its factorization.

2340304020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351449 (or 351444 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2340304020 is about 48376.6888077305. The cubic root of 2340304020 is about 1327.6718876876.

Adding to 2340304020 its reverse (204030432), we get a palindrome (2544334452).

The spelling of 2340304020 in words is "two billion, three hundred forty million, three hundred four thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 111 148 180 185 222 333 370 444 555 666 740 1110 1332 1665 2220 3330 6660 351397 702794 1054191 1405588 1756985 2108382 3162573 3513970 4216764 5270955 6325146 7027940 10541910 12650292 13001689 15812865 21083820 26003378 31625730 39005067 52006756 63251460 65008445 78010134 117015201 130016890 156020268 195025335 234030402 260033780 390050670 468060804 585076005 780101340 1170152010 2340304020