Base | Representation |
---|---|
bin | 1010110011010… |
… | …01101001001010 |
3 | 20022111110220012 |
4 | 11121221221022 |
5 | 141144012000 |
6 | 12554031522 |
7 | 2150113553 |
oct | 531515112 |
9 | 208443805 |
10 | 90610250 |
11 | 47168905 |
12 | 264185a2 |
13 | 15a06943 |
14 | c06932a |
15 | 7e4c735 |
hex | 5669a4a |
90610250 has 32 divisors (see below), whose sum is σ = 170338896. Its totient is φ = 36091200.
The previous prime is 90610249. The next prime is 90610339. The reversal of 90610250 is 5201609.
It can be written as a sum of positive squares in 8 ways, for example, as 27994681 + 62615569 = 5291^2 + 7913^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72632 + ... + 73868.
Almost surely, 290610250 is an apocalyptic number.
90610250 is a deficient number, since it is larger than the sum of its proper divisors (79728646).
90610250 is a wasteful number, since it uses less digits than its factorization.
90610250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1547 (or 1537 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 90610250 is about 9518.9416428508. The cubic root of 90610250 is about 449.1510744049.
Adding to 90610250 its reverse (5201609), we get a palindrome (95811859).
The spelling of 90610250 in words is "ninety million, six hundred ten thousand, two hundred fifty".
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