Base | Representation |
---|---|
bin | 1010101110111… |
… | …10111000011111 |
3 | 20021102121020201 |
4 | 11113132320133 |
5 | 141022320022 |
6 | 12533524331 |
7 | 2142225535 |
oct | 527367037 |
9 | 207377221 |
10 | 90041887 |
11 | 4690a891 |
12 | 261a36a7 |
13 | 15868030 |
14 | bd5c155 |
15 | 7d89127 |
hex | 55dee1f |
90041887 has 8 divisors (see below), whose sum is σ = 100096640. Its totient is φ = 80434080.
The previous prime is 90041873. The next prime is 90041921. The reversal of 90041887 is 78814009.
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 90041887 - 215 = 90009119 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 (90041087) 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, 111312 + ... + 112117.
It is an arithmetic number, because the mean of its divisors is an integer number (12512080).
Almost surely, 290041887 is an apocalyptic number.
90041887 is the 5479-th hex number.
90041887 is a deficient number, since it is larger than the sum of its proper divisors (10054753).
90041887 is a wasteful number, since it uses less digits than its factorization.
90041887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223473.
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 90041887 is about 9489.0403624392. The cubic root of 90041887 is about 448.2099870583.
The spelling of 90041887 in words is "ninety million, forty-one thousand, eight hundred eighty-seven".
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