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1530809332 = 221329438641
BaseRepresentation
bin101101100111110…
…0100101111110100
310221200111011121221
41123033210233310
511113341344312
6411522320124
752635443653
oct13317445764
93850434557
101530809332
11716113788
123687b9044
131b51bb750
1410744319a
158e5d3207
hex5b3e4bf4

1530809332 has 12 divisors (see below), whose sum is σ = 2884986916. Its totient is φ = 706527360.

The previous prime is 1530809327. The next prime is 1530809351. The reversal of 1530809332 is 2339080351.

It can be written as a sum of positive squares in 2 ways, for example, as 778075236 + 752734096 = 27894^2 + 27436^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14719269 + ... + 14719372.

Almost surely, 21530809332 is an apocalyptic number.

It is an amenable number.

1530809332 is a deficient number, since it is larger than the sum of its proper divisors (1354177584).

1530809332 is a wasteful number, since it uses less digits than its factorization.

1530809332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29438658 (or 29438656 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1530809332 is about 39125.5585519236. The cubic root of 1530809332 is about 1152.4984952369.

Adding to 1530809332 its reverse (2339080351), we get a palindrome (3869889683).

The spelling of 1530809332 in words is "one billion, five hundred thirty million, eight hundred nine thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 29438641 58877282 117754564 382702333 765404666 1530809332