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8752005252 = 22321282318959
BaseRepresentation
bin10000010011010100…
…10000000010000100
3211120221102221011200
420021222100002010
5120411003132002
64004241502500
7426611550204
oct101152200204
924527387150
108752005252
1137913080a1
121843041a30
13a96290543
145d04dc404
15363541b1c
hex209a90084

8752005252 has 36 divisors (see below), whose sum is σ = 22126016640. Its totient is φ = 2916953712.

The previous prime is 8752005221. The next prime is 8752005277. The reversal of 8752005252 is 2525002578.

8752005252 is a `hidden beast` number, since 87 + 52 + 0 + 0 + 525 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452149 + ... + 471107.

Almost surely, 28752005252 is an apocalyptic number.

It is an amenable number.

8752005252 is an abundant number, since it is smaller than the sum of its proper divisors (13374011388).

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

8752005252 is a wasteful number, since it uses less digits than its factorization.

8752005252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31792 (or 31787 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 8752005252 is about 93552.1525781208. The cubic root of 8752005252 is about 2060.8000515112.

The spelling of 8752005252 in words is "eight billion, seven hundred fifty-two million, five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 12823 18959 25646 37918 38469 51292 56877 75836 76938 113754 115407 153876 170631 227508 230814 341262 461628 682524 243111257 486222514 729333771 972445028 1458667542 2188001313 2917335084 4376002626 8752005252