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404143143 = 3235857147
BaseRepresentation
bin11000000101101…
…011110000100111
31001011110121011120
4120011223300213
51311430040033
6104034105023
713005105615
oct3005536047
91034417146
10404143143
111981457a8
12b341b173
1365962371
143b9626b5
15257311b3
hex1816bc27

404143143 has 8 divisors (see below), whose sum is σ = 562286208. Its totient is φ = 257714424.

The previous prime is 404143133. The next prime is 404143151. The reversal of 404143143 is 341341404.

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

It is not a de Polignac number, because 404143143 - 24 = 404143127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404143133) 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, 2928505 + ... + 2928642.

It is an arithmetic number, because the mean of its divisors is an integer number (70285776).

Almost surely, 2404143143 is an apocalyptic number.

404143143 is a deficient number, since it is larger than the sum of its proper divisors (158143065).

404143143 is a wasteful number, since it uses less digits than its factorization.

404143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857173.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 404143143 is about 20103.3117420986. The cubic root of 404143143 is about 739.3414783180.

Adding to 404143143 its reverse (341341404), we get a palindrome (745484547).

The spelling of 404143143 in words is "four hundred four million, one hundred forty-three thousand, one hundred forty-three".

Divisors: 1 3 23 69 5857147 17571441 134714381 404143143