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1325530752 = 27372135419
BaseRepresentation
bin100111100000001…
…1111111010000000
310102101012221100120
41033000133322000
510203313441002
6335310420240
744563553100
oct11700377200
93371187316
101325530752
11620255967
1230bb01680
13181806930
14c8089200
157b584cbc
hex4f01fe80

1325530752 has 192 divisors, whose sum is σ = 4411663200. Its totient is φ = 349526016.

The previous prime is 1325530751. The next prime is 1325530777. The reversal of 1325530752 is 2570355231.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (1325530751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241899 + ... + 247317.

Almost surely, 21325530752 is an apocalyptic number.

1325530752 is a gapful number since it is divisible by the number (12) 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 1325530752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205831600).

1325530752 is an abundant number, since it is smaller than the sum of its proper divisors (3086132448).

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

1325530752 is a wasteful number, since it uses less digits than its factorization.

1325530752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 1325530752 is about 36407.8391558741. The cubic root of 1325530752 is about 1098.4912516731.

Adding to 1325530752 its reverse (2570355231), we get a palindrome (3895885983).

The spelling of 1325530752 in words is "one billion, three hundred twenty-five million, five hundred thirty thousand, seven hundred fifty-two".