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1430543442 = 23238423907
BaseRepresentation
bin101010101000100…
…0101110001010010
310200200211010200110
41111101011301102
510412204342232
6353541302150
750310263406
oct12521056122
93620733613
101430543442
11674560509
1233b104956
1319a4b3c13
14d7dc3106
15858c9acc
hex55445c52

1430543442 has 8 divisors (see below), whose sum is σ = 2861086896. Its totient is φ = 476847812.

The previous prime is 1430543377. The next prime is 1430543447. The reversal of 1430543442 is 2443450341.

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

1430543442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1430543447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119211948 + ... + 119211959.

It is an arithmetic number, because the mean of its divisors is an integer number (357635862).

Almost surely, 21430543442 is an apocalyptic number.

1430543442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1430543442 is a wasteful number, since it uses less digits than its factorization.

1430543442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238423912.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1430543442 is about 37822.5255899180. The cubic root of 1430543442 is about 1126.7658698911.

Adding to 1430543442 its reverse (2443450341), we get a palindrome (3873993783).

The spelling of 1430543442 in words is "one billion, four hundred thirty million, five hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 238423907 476847814 715271721 1430543442