Base | Representation |
---|---|
bin | 10001000101100… |
… | …100010011011010 |
3 | 201222102110011211 |
4 | 101011210103122 |
5 | 1041342001330 |
6 | 44240213334 |
7 | 10050446455 |
oct | 2105442332 |
9 | 658373154 |
10 | 286672090 |
11 | 137900a91 |
12 | 8000a24a |
13 | 47512573 |
14 | 2a10449c |
15 | 1a279d2a |
hex | 111644da |
286672090 has 16 divisors (see below), whose sum is σ = 517494600. Its totient is φ = 114338880.
The previous prime is 286672081. The next prime is 286672103. The reversal of 286672090 is 90276682.
It can be written as a sum of positive squares in 4 ways, for example, as 198330889 + 88341201 = 14083^2 + 9399^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37581 + ... + 44560.
Almost surely, 2286672090 is an apocalyptic number.
286672090 is a deficient number, since it is larger than the sum of its proper divisors (230822510).
286672090 is a wasteful number, since it uses less digits than its factorization.
286672090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82497.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 286672090 is about 16931.3936224990. The cubic root of 286672090 is about 659.3689177280.
The spelling of 286672090 in words is "two hundred eighty-six million, six hundred seventy-two thousand, ninety".
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