Base | Representation |
---|---|
bin | 110000000000011… |
… | …000111100101000 |
3 | 2002010111222211101 |
4 | 300000120330220 |
5 | 3122141033202 |
6 | 211530411144 |
7 | 25646600614 |
oct | 6000307450 |
9 | 2063458741 |
10 | 805408552 |
11 | 3836a5403 |
12 | 1a5890ab4 |
13 | cab27910 |
14 | 78d76344 |
15 | 4aa94887 |
hex | 30018f28 |
805408552 has 16 divisors (see below), whose sum is σ = 1626305940. Its totient is φ = 371726976.
The previous prime is 805408547. The next prime is 805408579. The reversal of 805408552 is 255804508.
It can be written as a sum of positive squares in 2 ways, for example, as 755480196 + 49928356 = 27486^2 + 7066^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872053 + ... + 3872260.
Almost surely, 2805408552 is an apocalyptic number.
It is an amenable number.
805408552 is an abundant number, since it is smaller than the sum of its proper divisors (820897388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
805408552 is a wasteful number, since it uses less digits than its factorization.
805408552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7744332 (or 7744328 counting only the distinct ones).
The product of its (nonzero) digits is 64000, while the sum is 37.
The square root of 805408552 is about 28379.7207879147. The cubic root of 805408552 is about 930.4050927252.
The spelling of 805408552 in words is "eight hundred five million, four hundred eight thousand, five hundred fifty-two".
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