Base | Representation |
---|---|
bin | 1010101110110… |
… | …11110101011110 |
3 | 20021101222010110 |
4 | 11113123311132 |
5 | 141021420111 |
6 | 12533350450 |
7 | 2142144255 |
oct | 527336536 |
9 | 207358113 |
10 | 90029406 |
11 | 46901475 |
12 | 26198426 |
13 | 1586244c |
14 | bd5779c |
15 | 7d855a6 |
hex | 55dbd5e |
90029406 has 32 divisors (see below), whose sum is σ = 188736768. Its totient is φ = 28575360.
The previous prime is 90029347. The next prime is 90029417. The reversal of 90029406 is 60492009.
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, 31905 + ... + 34611.
It is an arithmetic number, because the mean of its divisors is an integer number (5898024).
Almost surely, 290029406 is an apocalyptic number.
90029406 is an abundant number, since it is smaller than the sum of its proper divisors (98707362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90029406 is a wasteful number, since it uses less digits than its factorization.
90029406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2976.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 90029406 is about 9488.3826862116. The cubic root of 90029406 is about 448.1892768180.
The spelling of 90029406 in words is "ninety million, twenty-nine thousand, four hundred six".
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