Base | Representation |
---|---|
bin | 101111111110010… |
… | …001001111010010 |
3 | 2002002110202022220 |
4 | 233332101033102 |
5 | 3122020241230 |
6 | 211510441510 |
7 | 25642064205 |
oct | 5776211722 |
9 | 2062422286 |
10 | 804852690 |
11 | 383355814 |
12 | 1a5663296 |
13 | ca9918c5 |
14 | 78c6d93c |
15 | 4a9d4d10 |
hex | 2ff913d2 |
804852690 has 64 divisors (see below), whose sum is σ = 2001162240. Its totient is φ = 206953920.
The previous prime is 804852637. The next prime is 804852701. The reversal of 804852690 is 96258408.
It is a super-2 number, since 2×8048526902 = 1295575705200472200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284101 + ... + 286919.
It is an arithmetic number, because the mean of its divisors is an integer number (31268160).
Almost surely, 2804852690 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 804852690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000581120).
804852690 is an abundant number, since it is smaller than the sum of its proper divisors (1196309550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804852690 is a wasteful number, since it uses less digits than its factorization.
804852690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3167.
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 804852690 is about 28369.9258018064. The cubic root of 804852690 is about 930.1910001969.
The spelling of 804852690 in words is "eight hundred four million, eight hundred fifty-two thousand, six hundred ninety".
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