Base | Representation |
---|---|
bin | 10000001001011… |
… | …010111010111100 |
3 | 200212202101211021 |
4 | 100021122322330 |
5 | 1023322430040 |
6 | 42514233524 |
7 | 6466440361 |
oct | 2011327274 |
9 | 625671737 |
10 | 270905020 |
11 | 129a11a51 |
12 | 768858a4 |
13 | 44181a39 |
14 | 27d9c468 |
15 | 18bb324a |
hex | 1025aebc |
270905020 has 12 divisors (see below), whose sum is σ = 568900584. Its totient is φ = 108362000.
The previous prime is 270904969. The next prime is 270905027. The reversal of 270905020 is 20509072.
It is a super-2 number, since 2×2709050202 = 146779059722400800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (270905027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6772606 + ... + 6772645.
It is an arithmetic number, because the mean of its divisors is an integer number (47408382).
Almost surely, 2270905020 is an apocalyptic number.
270905020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
270905020 is an abundant number, since it is smaller than the sum of its proper divisors (297995564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270905020 is a wasteful number, since it uses less digits than its factorization.
270905020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13545260 (or 13545258 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 270905020 is about 16459.1925682884. The cubic root of 270905020 is about 647.0517521930.
The spelling of 270905020 in words is "two hundred seventy million, nine hundred five thousand, twenty".
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