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1430030399 = 7413349429
BaseRepresentation
bin101010100111100…
…1000100000111111
310200122212001220212
41111033020200333
510412041433044
6353522303035
750303025560
oct12517104077
93618761825
101430030399
11674240006
1233aab7a7b
1319a364545
14d7ccc167
1585827a9e
hex553c883f

1430030399 has 8 divisors (see below), whose sum is σ = 1634748960. Its totient is φ = 1225418976.

The previous prime is 1430030389. The next prime is 1430030411. The reversal of 1430030399 is 9930300341.

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 1430030399 - 212 = 1430026303 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 (1430030369) 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, 4217 + ... + 53645.

It is an arithmetic number, because the mean of its divisors is an integer number (204343620).

Almost surely, 21430030399 is an apocalyptic number.

1430030399 is a deficient number, since it is larger than the sum of its proper divisors (204718561).

1430030399 is an equidigital number, since it uses as much as digits as its factorization.

1430030399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53569.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 1430030399 is about 37815.7427402927. The cubic root of 1430030399 is about 1126.6311545456.

The spelling of 1430030399 in words is "one billion, four hundred thirty million, thirty thousand, three hundred ninety-nine".

Divisors: 1 7 4133 28931 49429 346003 204290057 1430030399