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1530256234 = 213429713697
BaseRepresentation
bin101101100110101…
…1101101101101010
310221122110001220211
41123031131231222
511113221144414
6411502411334
752630651303
oct13315355552
93848401824
101530256234
11715876181
12368590b4a
131b5056a80
1410733b7aa
158e5243c4
hex5b35db6a

1530256234 has 16 divisors (see below), whose sum is σ = 2472708168. Its totient is φ = 706056192.

The previous prime is 1530256223. The next prime is 1530256261. The reversal of 1530256234 is 4326520351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 614891209 + 915365025 = 24797^2 + 30255^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1530256196 and 1530256205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104874 + ... + 118570.

Almost surely, 21530256234 is an apocalyptic number.

1530256234 is a deficient number, since it is larger than the sum of its proper divisors (942451934).

1530256234 is a wasteful number, since it uses less digits than its factorization.

1530256234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1530256234 is about 39118.4896692089. The cubic root of 1530256234 is about 1152.3596751181.

Adding to 1530256234 its reverse (4326520351), we get a palindrome (5856776585).

The spelling of 1530256234 in words is "one billion, five hundred thirty million, two hundred fifty-six thousand, two hundred thirty-four".

Divisors: 1 2 13 26 4297 8594 13697 27394 55861 111722 178061 356122 58856009 117712018 765128117 1530256234