Base | Representation |
---|---|
bin | 1010110010001… |
… | …00101010101101 |
3 | 20022012210010211 |
4 | 11121010222231 |
5 | 141124140142 |
6 | 12550502421 |
7 | 2145613162 |
oct | 531045255 |
9 | 208183124 |
10 | 90458797 |
11 | 47075040 |
12 | 26364a11 |
13 | 15982a20 |
14 | c02a069 |
15 | 7e1c917 |
hex | 5644aad |
90458797 has 16 divisors (see below), whose sum is σ = 106541568. Its totient is φ = 75718080.
The previous prime is 90458761. The next prime is 90458813. The reversal of 90458797 is 79785409.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 90458797 - 223 = 82070189 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 90458797.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90452797) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104388 + ... + 105250.
It is an arithmetic number, because the mean of its divisors is an integer number (6658848).
Almost surely, 290458797 is an apocalyptic number.
It is an amenable number.
90458797 is a deficient number, since it is larger than the sum of its proper divisors (16082771).
90458797 is a wasteful number, since it uses less digits than its factorization.
90458797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1620.
The product of its (nonzero) digits is 635040, while the sum is 49.
The square root of 90458797 is about 9510.9829670755. The cubic root of 90458797 is about 448.9006861990.
The spelling of 90458797 in words is "ninety million, four hundred fifty-eight thousand, seven hundred ninety-seven".
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