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1430030142 = 232731139631
BaseRepresentation
bin101010100111100…
…1000011100111110
310200122212001120100
41111033020130332
510412041431032
6353522301530
750303025042
oct12517103476
93618761510
101430030142
1167423a8a2
1233aab78a6
1319a3643a8
14d7ccc022
158582797c
hex553c873e

1430030142 has 48 divisors (see below), whose sum is σ = 3168966528. Its totient is φ = 465937920.

The previous prime is 1430030087. The next prime is 1430030149. The reversal of 1430030142 is 2410300341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430030149) 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 23 ways as a sum of consecutive naturals, for example, 143667 + ... + 153297.

It is an arithmetic number, because the mean of its divisors is an integer number (66020136).

Almost surely, 21430030142 is an apocalyptic number.

1430030142 is an abundant number, since it is smaller than the sum of its proper divisors (1738936386).

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

1430030142 is a wasteful number, since it uses less digits than its factorization.

1430030142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9825 (or 9822 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1430030142 is about 37815.7393422369. The cubic root of 1430030142 is about 1126.6310870542.

Adding to 1430030142 its reverse (2410300341), we get a palindrome (3840330483).

The spelling of 1430030142 in words is "one billion, four hundred thirty million, thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 73 113 146 219 226 339 438 657 678 1017 1314 2034 8249 9631 16498 19262 24747 28893 49494 57786 74241 86679 148482 173358 703063 1088303 1406126 2109189 2176606 3264909 4218378 6327567 6529818 9794727 12655134 19589454 79446119 158892238 238338357 476676714 715015071 1430030142