Base | Representation |
---|---|
bin | 1010110010001… |
… | …10110000111111 |
3 | 20022020012221010 |
4 | 11121012300333 |
5 | 141124424031 |
6 | 12551010303 |
7 | 2145650220 |
oct | 531066077 |
9 | 208205833 |
10 | 90467391 |
11 | 47080543 |
12 | 26369993 |
13 | 15986901 |
14 | c02d247 |
15 | 7e20246 |
hex | 5646c3f |
90467391 has 8 divisors (see below), whose sum is σ = 137855104. Its totient is φ = 51695640.
The previous prime is 90467389. The next prime is 90467401. The reversal of 90467391 is 19376409.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 90467391 - 21 = 90467389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90467371) 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, 2153965 + ... + 2154006.
It is an arithmetic number, because the mean of its divisors is an integer number (17231888).
Almost surely, 290467391 is an apocalyptic number.
90467391 is a deficient number, since it is larger than the sum of its proper divisors (47387713).
90467391 is a wasteful number, since it uses less digits than its factorization.
90467391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4307981.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 90467391 is about 9511.4347498156. The cubic root of 90467391 is about 448.9149016225.
The spelling of 90467391 in words is "ninety million, four hundred sixty-seven thousand, three hundred ninety-one".
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