Base | Representation |
---|---|
bin | 1010110101000… |
… | …11101011011110 |
3 | 20022221112222111 |
4 | 11122203223132 |
5 | 141224113331 |
6 | 13003104234 |
7 | 2152123606 |
oct | 532435336 |
9 | 208845874 |
10 | 90847966 |
11 | 47310470 |
12 | 2651207a |
13 | 15a8abc1 |
14 | c0cbc06 |
15 | 7e97db1 |
hex | 56a3ade |
90847966 has 32 divisors (see below), whose sum is σ = 158047200. Its totient is φ = 38707200.
The previous prime is 90847961. The next prime is 90847973. The reversal of 90847966 is 66974809.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90847961) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167656 + ... + 168196.
It is an arithmetic number, because the mean of its divisors is an integer number (4938975).
Almost surely, 290847966 is an apocalyptic number.
90847966 is a deficient number, since it is larger than the sum of its proper divisors (67199234).
90847966 is a wasteful number, since it uses less digits than its factorization.
90847966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1020.
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 90847966 is about 9531.4199361900. The cubic root of 90847966 is about 449.5435140459.
The spelling of 90847966 in words is "ninety million, eight hundred forty-seven thousand, nine hundred sixty-six".
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