Base | Representation |
---|---|
bin | 1010110011100… |
… | …11010110101001 |
3 | 20022120111110100 |
4 | 11121303112221 |
5 | 141201300100 |
6 | 12554540013 |
7 | 2150340534 |
oct | 531632651 |
9 | 208514410 |
10 | 90650025 |
11 | 47195784 |
12 | 26437609 |
13 | 15a1ba8b |
14 | c079a1b |
15 | 7e59400 |
hex | 56735a9 |
90650025 has 36 divisors (see below), whose sum is σ = 164012940. Its totient is φ = 47856000.
The previous prime is 90650011. The next prime is 90650029. The reversal of 90650025 is 52005609.
90650025 is a `hidden beast` number, since 9 + 0 + 650 + 0 + 2 + 5 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 1687401 + 88962624 = 1299^2 + 9432^2 .
It is not a de Polignac number, because 90650025 - 216 = 90584489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90650029) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20731 + ... + 24719.
It is an arithmetic number, because the mean of its divisors is an integer number (4555915).
Almost surely, 290650025 is an apocalyptic number.
It is an amenable number.
90650025 is a deficient number, since it is larger than the sum of its proper divisors (73362915).
90650025 is a wasteful number, since it uses less digits than its factorization.
90650025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4106 (or 4098 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 90650025 is about 9521.0306689980. The cubic root of 90650025 is about 449.2167857734.
The spelling of 90650025 in words is "ninety million, six hundred fifty thousand, twenty-five".
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