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8513752900 = 225292272
BaseRepresentation
bin1111110110111010…
…11000111101000100
3210222100010110101111
413323131120331010
5114414010043100
63524451134404
7420656464012
oct77335307504
923870113344
108513752900
113679878624
1217972a4404
13a58b02013
145aa9dd8b2
1534c67d6ba
hex1fb758f44

8513752900 has 27 divisors (see below), whose sum is σ = 18476846269. Its totient is φ = 3405132080.

The previous prime is 8513752867. The next prime is 8513752901. The reversal of 8513752900 is 92573158.

The square root of 8513752900 is 92270.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3064951044 + 5448801856 = 55362^2 + 73816^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8513752901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 918087 + ... + 927313.

Almost surely, 28513752900 is an apocalyptic number.

8513752900 is the 92270-th square number.

It is an amenable number.

8513752900 is an abundant number, since it is smaller than the sum of its proper divisors (9963093369).

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

8513752900 is an frugal number, since it uses more digits than its factorization.

8513752900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18468 (or 9234 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The cubic root of 8513752900 is about 2041.9276361861.

The spelling of 8513752900 in words is "eight billion, five hundred thirteen million, seven hundred fifty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 9227 18454 36908 46135 92270 184540 230675 461350 922700 85137529 170275058 340550116 425687645 851375290 1702750580 2128438225 4256876450 8513752900