Base | Representation |
---|---|
bin | 10000001000111… |
… | …011111010010000 |
3 | 200212111221120211 |
4 | 100020323322100 |
5 | 1023304344000 |
6 | 42511413504 |
7 | 6465401143 |
oct | 2010737220 |
9 | 625457524 |
10 | 270778000 |
11 | 129935579 |
12 | 76824294 |
13 | 44138c8c |
14 | 27d6805a |
15 | 18b8a7ba |
hex | 1023be90 |
270778000 has 40 divisors (see below), whose sum is σ = 654746040. Its totient is φ = 108310400.
The previous prime is 270777979. The next prime is 270778019. The reversal of 270778000 is 877072.
It can be written as a sum of positive squares in 4 ways, for example, as 767376 + 270010624 = 876^2 + 16432^2 .
It is a tau number, because it is divible by the number of its divisors (40).
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, 65695 + ... + 69694.
It is an arithmetic number, because the mean of its divisors is an integer number (16368651).
Almost surely, 2270778000 is an apocalyptic number.
270778000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
270778000 is an abundant number, since it is smaller than the sum of its proper divisors (383968040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270778000 is a wasteful number, since it uses less digits than its factorization.
270778000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135412 (or 135396 counting only the distinct ones).
The product of its (nonzero) digits is 5488, while the sum is 31.
The square root of 270778000 is about 16455.3334818836. Note that the first 3 decimals coincide. The cubic root of 270778000 is about 646.9506080574.
The spelling of 270778000 in words is "two hundred seventy million, seven hundred seventy-eight thousand".
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