Base | Representation |
---|---|
bin | 1010110000110… |
… | …10011100011000 |
3 | 20021212222220022 |
4 | 11120122130120 |
5 | 141103121343 |
6 | 12543050012 |
7 | 2144263022 |
oct | 530323430 |
9 | 207788808 |
10 | 90285848 |
11 | 46a67104 |
12 | 262a0908 |
13 | 159220a3 |
14 | bdc3012 |
15 | 7dd6568 |
hex | 561a718 |
90285848 has 8 divisors (see below), whose sum is σ = 169285980. Its totient is φ = 45142920.
The previous prime is 90285841. The next prime is 90285859. The reversal of 90285848 is 84858209.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 90285799 and 90285808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90285841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5642858 + ... + 5642873.
Almost surely, 290285848 is an apocalyptic number.
It is an amenable number.
90285848 is a deficient number, since it is larger than the sum of its proper divisors (79000132).
90285848 is a wasteful number, since it uses less digits than its factorization.
90285848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11285737 (or 11285733 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 44.
The square root of 90285848 is about 9501.8865495227. The cubic root of 90285848 is about 448.6144179081.
The spelling of 90285848 in words is "ninety million, two hundred eighty-five thousand, eight hundred forty-eight".
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