Base | Representation |
---|---|
bin | 1010110011011… |
… | …11101101001000 |
3 | 20022112201221211 |
4 | 11121233231020 |
5 | 141200310310 |
6 | 12554342504 |
7 | 2150246134 |
oct | 531575510 |
9 | 208481854 |
10 | 90635080 |
11 | 47185528 |
12 | 2642aa34 |
13 | 15a15033 |
14 | c0743c4 |
15 | 7e54c8a |
hex | 566fb48 |
90635080 has 16 divisors (see below), whose sum is σ = 203929020. Its totient is φ = 36254016.
The previous prime is 90635057. The next prime is 90635107. The reversal of 90635080 is 8053609.
It can be written as a sum of positive squares in 2 ways, for example, as 76632516 + 14002564 = 8754^2 + 3742^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132899 + ... + 1132978.
Almost surely, 290635080 is an apocalyptic number.
It is an amenable number.
90635080 is an abundant number, since it is smaller than the sum of its proper divisors (113293940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90635080 is a wasteful number, since it uses less digits than its factorization.
90635080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2265888 (or 2265884 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 90635080 is about 9520.2457951463. The cubic root of 90635080 is about 449.1920977352.
Adding to 90635080 its reverse (8053609), we get a palindrome (98688689).
The spelling of 90635080 in words is "ninety million, six hundred thirty-five thousand, eighty".
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