Base | Representation |
---|---|
bin | 1010101111011… |
… | …11100100011101 |
3 | 20021120002000012 |
4 | 11113233210131 |
5 | 141032011422 |
6 | 12535213005 |
7 | 2142632030 |
oct | 527574435 |
9 | 207502005 |
10 | 90110237 |
11 | 46957178 |
12 | 26217165 |
13 | 15890189 |
14 | bd79017 |
15 | 7d9e4e2 |
hex | 55ef91d |
90110237 has 16 divisors (see below), whose sum is σ = 105183744. Its totient is φ = 75600000.
The previous prime is 90110231. The next prime is 90110249. The reversal of 90110237 is 73201109.
It is not a de Polignac number, because 90110237 - 26 = 90110173 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 (90110231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119612 + ... + 120362.
It is an arithmetic number, because the mean of its divisors is an integer number (6573984).
Almost surely, 290110237 is an apocalyptic number.
It is an amenable number.
90110237 is a deficient number, since it is larger than the sum of its proper divisors (15073507).
90110237 is a wasteful number, since it uses less digits than its factorization.
90110237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1100.
The product of its (nonzero) digits is 378, while the sum is 23.
The square root of 90110237 is about 9492.6412025316. The cubic root of 90110237 is about 448.3233691196.
The spelling of 90110237 in words is "ninety million, one hundred ten thousand, two hundred thirty-seven".
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