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2304138730 = 25230413873
BaseRepresentation
bin1000100101010110…
…0101110111101010
312221120122101010111
42021111211313222
514204324414410
61020345404534
7111045566425
oct21125456752
95846571114
102304138730
11a82698593
1254379974a
132a9493bca
1417c0289bc
15d743cb8a
hex89565dea

2304138730 has 8 divisors (see below), whose sum is σ = 4147449732. Its totient is φ = 921655488.

The previous prime is 2304138713. The next prime is 2304138731. The reversal of 2304138730 is 378314032.

It can be written as a sum of positive squares in 2 ways, for example, as 2015920201 + 288218529 = 44899^2 + 16977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2304138692 and 2304138701.

It is not an unprimeable number, because it can be changed into a prime (2304138731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115206927 + ... + 115206946.

Almost surely, 22304138730 is an apocalyptic number.

2304138730 is a deficient number, since it is larger than the sum of its proper divisors (1843311002).

2304138730 is a wasteful number, since it uses less digits than its factorization.

2304138730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230413880.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2304138730 is about 48001.4450824139. The cubic root of 2304138730 is about 1320.7974080748.

The spelling of 2304138730 in words is "two billion, three hundred four million, one hundred thirty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 230413873 460827746 1152069365 2304138730