Base | Representation |
---|---|
bin | 1010110101001… |
… | …00110111111010 |
3 | 20022221210200200 |
4 | 11122210313322 |
5 | 141224242413 |
6 | 13003143030 |
7 | 2152144065 |
oct | 532446772 |
9 | 208853620 |
10 | 90852858 |
11 | 47314108 |
12 | 26514a76 |
13 | 15a901b5 |
14 | c0cd8dc |
15 | 7e99573 |
hex | 56a4dfa |
90852858 has 24 divisors (see below), whose sum is σ = 197041728. Its totient is φ = 30254472.
The previous prime is 90852821. The next prime is 90852859. The reversal of 90852858 is 85825809.
It is not an unprimeable number, because it can be changed into a prime (90852859) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23841 + ... + 27387.
It is an arithmetic number, because the mean of its divisors is an integer number (8210072).
Almost surely, 290852858 is an apocalyptic number.
90852858 is an abundant number, since it is smaller than the sum of its proper divisors (106188870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90852858 is a wasteful number, since it uses less digits than its factorization.
90852858 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4978 (or 4975 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 45.
The square root of 90852858 is about 9531.6765576681. The cubic root of 90852858 is about 449.5515829384.
The spelling of 90852858 in words is "ninety million, eight hundred fifty-two thousand, eight hundred fifty-eight".
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