Base | Representation |
---|---|
bin | 10000001001010… |
… | …110000100011001 |
3 | 200212201101120011 |
4 | 100021112010121 |
5 | 1023321311040 |
6 | 42514001521 |
7 | 6466325416 |
oct | 2011260431 |
9 | 625641504 |
10 | 270885145 |
11 | 1299a9023 |
12 | 768762a1 |
13 | 4417598b |
14 | 27d9510d |
15 | 18bac3ea |
hex | 10256119 |
270885145 has 16 divisors (see below), whose sum is σ = 339823872. Its totient is φ = 206902080.
The previous prime is 270885137. The next prime is 270885151. The reversal of 270885145 is 541588072.
It is not a de Polignac number, because 270885145 - 23 = 270885137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 270885098 and 270885107.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70699 + ... + 74431.
It is an arithmetic number, because the mean of its divisors is an integer number (21238992).
Almost surely, 2270885145 is an apocalyptic number.
It is an amenable number.
270885145 is a deficient number, since it is larger than the sum of its proper divisors (68938727).
270885145 is a wasteful number, since it uses less digits than its factorization.
270885145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4392.
The product of its (nonzero) digits is 89600, while the sum is 40.
The square root of 270885145 is about 16458.5887912664. The cubic root of 270885145 is about 647.0359281131.
The spelling of 270885145 in words is "two hundred seventy million, eight hundred eighty-five thousand, one hundred forty-five".
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