Base | Representation |
---|---|
bin | 1010001101001… |
… | …0111011100000 |
3 | 2222112211011202 |
4 | 2203102323200 |
5 | 41424311013 |
6 | 4125300332 |
7 | 1026565526 |
oct | 243227340 |
9 | 88484152 |
10 | 42807008 |
11 | 221885a2 |
12 | 124046a8 |
13 | 8b3a3ba |
14 | 5984316 |
15 | 3b58858 |
hex | 28d2ee0 |
42807008 has 24 divisors (see below), whose sum is σ = 84460320. Its totient is φ = 21356800.
The previous prime is 42806983. The next prime is 42807029. The reversal of 42807008 is 80070824.
It is a super-4 number, since 4×428070084 (a number of 32 digits) contains 4444 as substring.
It is a congruent number.
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, 17033 + ... + 19383.
It is an arithmetic number, because the mean of its divisors is an integer number (3519180).
Almost surely, 242807008 is an apocalyptic number.
It is an amenable number.
42807008 is a deficient number, since it is larger than the sum of its proper divisors (41653312).
42807008 is a wasteful number, since it uses less digits than its factorization.
42807008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2930 (or 2922 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 29.
The square root of 42807008 is about 6542.7064736239. The cubic root of 42807008 is about 349.8148898702.
The spelling of 42807008 in words is "forty-two million, eight hundred seven thousand, eight".
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