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1430242243 = 11312657011
BaseRepresentation
bin101010100111111…
…1100001111000011
310200200020211111221
41111033330033003
510412120222433
6353531015511
750304600313
oct12517741703
93620224457
101430242243
11674375191
1233ab9a597
1319a409ab1
14d7d45443
158586a72d
hex553fc3c3

1430242243 has 4 divisors (see below), whose sum is σ = 1442899368. Its totient is φ = 1417585120.

The previous prime is 1430242217. The next prime is 1430242273. The reversal of 1430242243 is 3422420341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422420341 = 14892298469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1430242243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430242273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6328393 + ... + 6328618.

It is an arithmetic number, because the mean of its divisors is an integer number (360724842).

Almost surely, 21430242243 is an apocalyptic number.

1430242243 is a deficient number, since it is larger than the sum of its proper divisors (12657125).

1430242243 is a wasteful number, since it uses less digits than its factorization.

1430242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12657124.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1430242243 is about 37818.5436393312. The cubic root of 1430242243 is about 1126.6867846604.

Adding to 1430242243 its reverse (3422420341), we get a palindrome (4852662584).

The spelling of 1430242243 in words is "one billion, four hundred thirty million, two hundred forty-two thousand, two hundred forty-three".

Divisors: 1 113 12657011 1430242243