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1004243143 = 29312892659
BaseRepresentation
bin111011110110111…
…000100011000111
32120222122211121111
4323312320203013
54024041240033
6243352225451
733612632401
oct7366704307
92528584544
101004243143
11475961812
1224039b287
13130094617
1497533b71
155d26d7cd
hex3bdb88c7

1004243143 has 8 divisors (see below), whose sum is σ = 1008831600. Its totient is φ = 999663168.

The previous prime is 1004243131. The next prime is 1004243153. The reversal of 1004243143 is 3413424001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004243143 - 25 = 1004243111 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 (1004243153) 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, 376348 + ... + 379006.

It is an arithmetic number, because the mean of its divisors is an integer number (126103950).

Almost surely, 21004243143 is an apocalyptic number.

1004243143 is a deficient number, since it is larger than the sum of its proper divisors (4588457).

1004243143 is a wasteful number, since it uses less digits than its factorization.

1004243143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1004243143 is about 31689.7955657653. The cubic root of 1004243143 is about 1001.4123852288.

Adding to 1004243143 its reverse (3413424001), we get a palindrome (4417667144).

The spelling of 1004243143 in words is "one billion, four million, two hundred forty-three thousand, one hundred forty-three".

Divisors: 1 293 1289 2659 377677 779087 3427451 1004243143