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1232530000 = 24541319499
BaseRepresentation
bin100100101110110…
…1110101001010000
310011220020000022021
41021131232221100
510011011430000
6322145221224
742354221632
oct11135565120
93156200267
101232530000
11582805039
122a4931814
13168473bc0
14b999aa52
157331411a
hex4976ea50

1232530000 has 200 divisors, whose sum is σ = 3389540000. Its totient is φ = 430272000.

The previous prime is 1232529979. The next prime is 1232530007. The reversal of 1232530000 is 352321.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232530007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2469751 + ... + 2470249.

It is an arithmetic number, because the mean of its divisors is an integer number (16947700).

Almost surely, 21232530000 is an apocalyptic number.

1232530000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694770000).

1232530000 is an abundant number, since it is smaller than the sum of its proper divisors (2157010000).

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

1232530000 is a wasteful number, since it uses less digits than its factorization.

1232530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1232530000 is about 35107.4066259529. The cubic root of 1232530000 is about 1072.1753862072.

Adding to 1232530000 its reverse (352321), we get a palindrome (1232882321).

The spelling of 1232530000 in words is "one billion, two hundred thirty-two million, five hundred thirty thousand".