Base | Representation |
---|---|
bin | 1010101110111… |
… | …10110110011101 |
3 | 20021102121001220 |
4 | 11113132312131 |
5 | 141022314012 |
6 | 12533523553 |
7 | 2142225261 |
oct | 527366635 |
9 | 207377056 |
10 | 90041757 |
11 | 4690a783 |
12 | 261a35b9 |
13 | 15867c60 |
14 | bd5c0a1 |
15 | 7d8908c |
hex | 55ded9d |
90041757 has 32 divisors (see below), whose sum is σ = 138609408. Its totient is φ = 51549696.
The previous prime is 90041737. The next prime is 90041761. The reversal of 90041757 is 75714009.
It is not a de Polignac number, because 90041757 - 211 = 90039709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90041737) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31833 + ... + 34545.
It is an arithmetic number, because the mean of its divisors is an integer number (4331544).
Almost surely, 290041757 is an apocalyptic number.
It is an amenable number.
90041757 is a deficient number, since it is larger than the sum of its proper divisors (48567651).
90041757 is a wasteful number, since it uses less digits than its factorization.
90041757 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2789.
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 90041757 is about 9489.0335124290. The cubic root of 90041757 is about 448.2097713538.
The spelling of 90041757 in words is "ninety million, forty-one thousand, seven hundred fifty-seven".
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