Base | Representation |
---|---|
bin | 1010110010011… |
… | …11001110011001 |
3 | 20022021222110110 |
4 | 11121033032121 |
5 | 141132031131 |
6 | 12551434533 |
7 | 2146153230 |
oct | 531171631 |
9 | 208258413 |
10 | 90502041 |
11 | 470a4583 |
12 | 26385a49 |
13 | 15999606 |
14 | c03bb17 |
15 | 7e2a646 |
hex | 564f399 |
90502041 has 8 divisors (see below), whose sum is σ = 137907904. Its totient is φ = 51715440.
The previous prime is 90502031. The next prime is 90502081. The reversal of 90502041 is 14020509.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 90502041 - 26 = 90501977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4309621 = 90502041 / (9 + 0 + 5 + 0 + 2 + 0 + 4 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 90501999 and 90502017.
It is not an unprimeable number, because it can be changed into a prime (90502031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154790 + ... + 2154831.
It is an arithmetic number, because the mean of its divisors is an integer number (17238488).
Almost surely, 290502041 is an apocalyptic number.
It is an amenable number.
90502041 is a deficient number, since it is larger than the sum of its proper divisors (47405863).
90502041 is a wasteful number, since it uses less digits than its factorization.
90502041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4309631.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 90502041 is about 9513.2560671938. The cubic root of 90502041 is about 448.9722074123.
The spelling of 90502041 in words is "ninety million, five hundred two thousand, forty-one".
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