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1204424143 = 131729187927
BaseRepresentation
bin100011111001010…
…0000110111001111
310002221100002022121
41013302200313033
54431313033033
6315302553411
741563302436
oct10762406717
93087302277
101204424143
1156895875a
12297438867
131626b3110
14b5d6211d
1570b1162d
hex47ca0dcf

1204424143 has 16 divisors (see below), whose sum is σ = 1420735680. Its totient is φ = 1010290176.

The previous prime is 1204424131. The next prime is 1204424147. The reversal of 1204424143 is 3414244021.

It is a cyclic number.

It is not a de Polignac number, because 1204424143 - 29 = 1204423631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204424147) 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 15 ways as a sum of consecutive naturals, for example, 87555 + ... + 100372.

It is an arithmetic number, because the mean of its divisors is an integer number (88795980).

Almost surely, 21204424143 is an apocalyptic number.

1204424143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1204424143 is a deficient number, since it is larger than the sum of its proper divisors (216311537).

1204424143 is a wasteful number, since it uses less digits than its factorization.

1204424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187986.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1204424143 is about 34704.8144066497. The cubic root of 1204424143 is about 1063.9628990846.

Adding to 1204424143 its reverse (3414244021), we get a palindrome (4618668164).

The spelling of 1204424143 in words is "one billion, two hundred four million, four hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 13 17 29 221 377 493 6409 187927 2443051 3194759 5449883 41531867 70848479 92648011 1204424143