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3240002143 = 7717389303
BaseRepresentation
bin1100000100011110…
…1000001001011111
322100210122011101101
43001013220021133
523113420032033
61253300253531
7143201364250
oct30107501137
98323564341
103240002143
111412995624
127650a12a7
133c8336341
1422a43cb27
1513e6a097d
hexc11e825f

3240002143 has 16 divisors (see below), whose sum is σ = 3806493696. Its totient is φ = 2700492480.

The previous prime is 3240002083. The next prime is 3240002153. The reversal of 3240002143 is 3412000423.

It is not a de Polignac number, because 3240002143 - 29 = 3240001631 is a prime.

It is a super-2 number, since 2×32400021432 = 20995227773289184898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3240002143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240002153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8371 + ... + 80932.

It is an arithmetic number, because the mean of its divisors is an integer number (237905856).

Almost surely, 23240002143 is an apocalyptic number.

3240002143 is a deficient number, since it is larger than the sum of its proper divisors (566491553).

3240002143 is an equidigital number, since it uses as much as digits as its factorization.

3240002143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89454.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3240002143 is about 56921.0167073639. The cubic root of 3240002143 is about 1479.7275708385.

Adding to 3240002143 its reverse (3412000423), we get a palindrome (6652002566).

The spelling of 3240002143 in words is "three billion, two hundred forty million, two thousand, one hundred forty-three".

Divisors: 1 7 71 73 497 511 5183 36281 89303 625121 6340513 6519119 44383591 45633833 462857449 3240002143