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9640830752 = 25726148489
BaseRepresentation
bin10001111101010001…
…10110011100100000
3220212212220221112122
420332220312130200
5124221023041002
64232352243412
7460623465200
oct107650663440
926785827478
109640830752
1140a7aa7923
121a50840568
13ba84738a7
1467658a400
153b65b26a2
hex23ea36720

9640830752 has 36 divisors (see below), whose sum is σ = 22079227590. Its totient is φ = 4131783936.

The previous prime is 9640830743. The next prime is 9640830757. The reversal of 9640830752 is 2570380469.

It can be written as a sum of positive squares in only one way, i.e., 7893256336 + 1747574416 = 88844^2 + 41804^2 .

It is not an unprimeable number, because it can be changed into a prime (9640830757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3072677 + ... + 3075812.

Almost surely, 29640830752 is an apocalyptic number.

It is an amenable number.

9640830752 is an abundant number, since it is smaller than the sum of its proper divisors (12438396838).

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

9640830752 is a wasteful number, since it uses less digits than its factorization.

9640830752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148513 (or 6148498 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 9640830752 is about 98187.7321868674. The cubic root of 9640830752 is about 2128.3260119173.

Adding to 9640830752 its reverse (2570380469), we get a palindrome (12211211221).

The spelling of 9640830752 in words is "nine billion, six hundred forty million, eight hundred thirty thousand, seven hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 6148489 12296978 24593956 43039423 49187912 86078846 98375824 172157692 196751648 301275961 344315384 602551922 688630768 1205103844 1377261536 2410207688 4820415376 9640830752