Base | Representation |
---|---|
bin | 110010001111011… |
… | …111001000100000 |
3 | 2011202002210112001 |
4 | 302033133020200 |
5 | 3211241423410 |
6 | 215350413344 |
7 | 26613464053 |
oct | 6217371040 |
9 | 2152083461 |
10 | 842920480 |
11 | 3a28966a6 |
12 | 1b6361254 |
13 | 10582cb1c |
14 | 7dd3ca9a |
15 | 4e00433a |
hex | 323df220 |
842920480 has 48 divisors (see below), whose sum is σ = 2028993624. Its totient is φ = 330803200.
The previous prime is 842920453. The next prime is 842920483. The reversal of 842920480 is 84029248.
It can be written as a sum of positive squares in 4 ways, for example, as 778856464 + 64064016 = 27908^2 + 8004^2 .
It is not an unprimeable number, because it can be changed into a prime (842920483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41221 + ... + 58180.
Almost surely, 2842920480 is an apocalyptic number.
842920480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
842920480 is an abundant number, since it is smaller than the sum of its proper divisors (1186073144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
842920480 is a wasteful number, since it uses less digits than its factorization.
842920480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99469 (or 99461 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 842920480 is about 29033.0928424789. The cubic root of 842920480 is about 944.6310178219.
The spelling of 842920480 in words is "eight hundred forty-two million, nine hundred twenty thousand, four hundred eighty".
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