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2303405143 = 13293604727
BaseRepresentation
bin1000100101001011…
…0010110001010111
312221112021002211121
42021102302301113
514204132431033
61020321544411
7111036422614
oct21122626127
95845232747
102303405143
11a82237416
125434a5107
132a9298030
1417bcb750b
15d734562d
hex894b2c57

2303405143 has 8 divisors (see below), whose sum is σ = 2489060448. Its totient is φ = 2118959904.

The previous prime is 2303405107. The next prime is 2303405149. The reversal of 2303405143 is 3415043032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2303405143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303405149) 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, 298555 + ... + 306172.

It is an arithmetic number, because the mean of its divisors is an integer number (311132556).

Almost surely, 22303405143 is an apocalyptic number.

2303405143 is a deficient number, since it is larger than the sum of its proper divisors (185655305).

2303405143 is a wasteful number, since it uses less digits than its factorization.

2303405143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605033.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2303405143 is about 47993.8031729097. The cubic root of 2303405143 is about 1320.6572222661.

Adding to 2303405143 its reverse (3415043032), we get a palindrome (5718448175).

The spelling of 2303405143 in words is "two billion, three hundred three million, four hundred five thousand, one hundred forty-three".

Divisors: 1 13 293 3809 604727 7861451 177185011 2303405143