Base | Representation |
---|---|
bin | 1010101111111… |
… | …00001111011101 |
3 | 20021122201012120 |
4 | 11113330033131 |
5 | 141040142031 |
6 | 12540253153 |
7 | 2143236246 |
oct | 527741735 |
9 | 207581176 |
10 | 90162141 |
11 | 46992173 |
12 | 262411b9 |
13 | 158aa9a4 |
14 | bd8dccd |
15 | 7daea96 |
hex | 55fc3dd |
90162141 has 8 divisors (see below), whose sum is σ = 120306144. Its totient is φ = 60063120.
The previous prime is 90162077. The next prime is 90162143. The reversal of 90162141 is 14126109.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 90162141 - 26 = 90162077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90162143) 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, 6250 + ... + 14811.
It is an arithmetic number, because the mean of its divisors is an integer number (15038268).
Almost surely, 290162141 is an apocalyptic number.
It is an amenable number.
90162141 is a deficient number, since it is larger than the sum of its proper divisors (30144003).
90162141 is a wasteful number, since it uses less digits than its factorization.
90162141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22491.
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 90162141 is about 9495.3747161447. The cubic root of 90162141 is about 448.4094315195.
The spelling of 90162141 in words is "ninety million, one hundred sixty-two thousand, one hundred forty-one".
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