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868873248 = 25323016921
BaseRepresentation
bin110011110010011…
…111010000100000
32020112221100000200
4303302133100200
53234412420443
6222114545200
730350205105
oct6362372040
92215840020
10868873248
11406502371
12202b98200
1310b0188a9
1483576aac
155142ddd3
hex33c9f420

868873248 has 36 divisors (see below), whose sum is σ = 2470859118. Its totient is φ = 289624320.

The previous prime is 868873241. The next prime is 868873253. The reversal of 868873248 is 842378868.

It can be written as a sum of positive squares in only one way, i.e., 741363984 + 127509264 = 27228^2 + 11292^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 868873194 and 868873203.

It is not an unprimeable number, because it can be changed into a prime (868873241) 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, 1508173 + ... + 1508748.

Almost surely, 2868873248 is an apocalyptic number.

It is an amenable number.

868873248 is an abundant number, since it is smaller than the sum of its proper divisors (1601985870).

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

868873248 is a wasteful number, since it uses less digits than its factorization.

868873248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016937 (or 3016926 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The square root of 868873248 is about 29476.6559840156. The cubic root of 868873248 is about 954.2279692003.

The spelling of 868873248 in words is "eight hundred sixty-eight million, eight hundred seventy-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 3016921 6033842 9050763 12067684 18101526 24135368 27152289 36203052 48270736 54304578 72406104 96541472 108609156 144812208 217218312 289624416 434436624 868873248