Base | Representation |
---|---|
bin | 11001011110011… |
… | …110110010001000 |
3 | 1002210021020010022 |
4 | 121132132302020 |
5 | 1333404431213 |
6 | 110225040012 |
7 | 13410005543 |
oct | 3136366210 |
9 | 1083236108 |
10 | 427420808 |
11 | 1aa2a4641 |
12 | bb186008 |
13 | 6a722629 |
14 | 40aa185a |
15 | 277cd308 |
hex | 1979ec88 |
427420808 has 32 divisors (see below), whose sum is σ = 870816000. Its totient is φ = 195929280.
The previous prime is 427420793. The next prime is 427420811. The reversal of 427420808 is 808024724.
It is a super-2 number, since 2×4274208082 = 365377094222745728, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40643 + ... + 50066.
It is an arithmetic number, because the mean of its divisors is an integer number (27213000).
Almost surely, 2427420808 is an apocalyptic number.
It is an amenable number.
427420808 is an abundant number, since it is smaller than the sum of its proper divisors (443395192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
427420808 is a wasteful number, since it uses less digits than its factorization.
427420808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90765 (or 90761 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 35.
The square root of 427420808 is about 20674.1579755984. The cubic root of 427420808 is about 753.2721083891.
The spelling of 427420808 in words is "four hundred twenty-seven million, four hundred twenty thousand, eight hundred eight".
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