Base | Representation |
---|---|
bin | 1010110000100… |
… | …00011001001000 |
3 | 20021210220102120 |
4 | 11120100121020 |
5 | 141100312210 |
6 | 12542131240 |
7 | 2144032011 |
oct | 530203110 |
9 | 207726376 |
10 | 90244680 |
11 | 46a39189 |
12 | 26280b20 |
13 | 15909426 |
14 | bdb2008 |
15 | 7dc9270 |
hex | 5610648 |
90244680 has 64 divisors (see below), whose sum is σ = 284990400. Its totient is φ = 22798080.
The previous prime is 90244673. The next prime is 90244703. The reversal of 90244680 is 8644209.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17511 + ... + 22070.
It is an arithmetic number, because the mean of its divisors is an integer number (4452975).
Almost surely, 290244680 is an apocalyptic number.
It is an amenable number.
90244680 is an abundant number, since it is smaller than the sum of its proper divisors (194745720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90244680 is a wasteful number, since it uses less digits than its factorization.
90244680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39614 (or 39610 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 90244680 is about 9499.7199958736. The cubic root of 90244680 is about 448.5462220371.
Adding to 90244680 its reverse (8644209), we get a palindrome (98888889).
The spelling of 90244680 in words is "ninety million, two hundred forty-four thousand, six hundred eighty".
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