Base | Representation |
---|---|
bin | 1010110101111… |
… | …10010100011101 |
3 | 20100011002122221 |
4 | 11122332110131 |
5 | 141241111320 |
6 | 13005305341 |
7 | 2153060002 |
oct | 532762435 |
9 | 210132587 |
10 | 90957085 |
11 | 4738544a |
12 | 26565251 |
13 | 15ac877b |
14 | c1198a9 |
15 | 7eba3aa |
hex | 56be51d |
90957085 has 16 divisors (see below), whose sum is σ = 115349760. Its totient is φ = 68662080.
The previous prime is 90957059. The next prime is 90957187. The reversal of 90957085 is 58075909.
It is not a de Polignac number, because 90957085 - 211 = 90955037 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23979 + ... + 27511.
It is an arithmetic number, because the mean of its divisors is an integer number (7209360).
Almost surely, 290957085 is an apocalyptic number.
90957085 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
It is an amenable number.
90957085 is a deficient number, since it is larger than the sum of its proper divisors (24392675).
90957085 is a wasteful number, since it uses less digits than its factorization.
90957085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3828.
The product of its (nonzero) digits is 113400, while the sum is 43.
The square root of 90957085 is about 9537.1423917230. The cubic root of 90957085 is about 449.7234267587.
The spelling of 90957085 in words is "ninety million, nine hundred fifty-seven thousand, eighty-five".
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