Base | Representation |
---|---|
bin | 1010110010000… |
… | …11000010001001 |
3 | 20022012102221222 |
4 | 11121003002021 |
5 | 141123431410 |
6 | 12550411425 |
7 | 2145554522 |
oct | 531030211 |
9 | 208172858 |
10 | 90452105 |
11 | 47070007 |
12 | 26360b75 |
13 | 1597c973 |
14 | c027849 |
15 | 7e1a955 |
hex | 5643089 |
90452105 has 8 divisors (see below), whose sum is σ = 108724992. Its totient is φ = 72240048.
The previous prime is 90452099. The next prime is 90452107. The reversal of 90452105 is 50125409.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90452105 - 26 = 90452041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90452107) 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, 11867 + ... + 17936.
It is an arithmetic number, because the mean of its divisors is an integer number (13590624).
Almost surely, 290452105 is an apocalyptic number.
It is an amenable number.
90452105 is a deficient number, since it is larger than the sum of its proper divisors (18272887).
90452105 is a wasteful number, since it uses less digits than its factorization.
90452105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30415.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 90452105 is about 9510.6311567635. The cubic root of 90452105 is about 448.8896162696.
The spelling of 90452105 in words is "ninety million, four hundred fifty-two thousand, one hundred five".
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