Base | Representation |
---|---|
bin | 10000001001010… |
… | …000010111110000 |
3 | 200212200012112211 |
4 | 100021100113300 |
5 | 1023320034213 |
6 | 42513301504 |
7 | 6466200400 |
oct | 2011202760 |
9 | 625605484 |
10 | 270861808 |
11 | 129992538 |
12 | 76864894 |
13 | 44168179 |
14 | 27d8a800 |
15 | 18ba553d |
hex | 102505f0 |
270861808 has 30 divisors (see below), whose sum is σ = 610477296. Its totient is φ = 116083296.
The previous prime is 270861779. The next prime is 270861841. The reversal of 270861808 is 808168072.
It is a super-2 number, since 2×2708618082 = 146732238066057728, which contains 22 as substring.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171960 + ... + 173527.
Almost surely, 2270861808 is an apocalyptic number.
270861808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
270861808 is an abundant number, since it is smaller than the sum of its proper divisors (339615488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270861808 is a wasteful number, since it uses less digits than its factorization.
270861808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345509 (or 345496 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 40.
The square root of 270861808 is about 16457.8798148486. The cubic root of 270861808 is about 647.0173466695.
It can be divided in two parts, 2708 and 61808, that added together give a square (64516 = 2542).
The spelling of 270861808 in words is "two hundred seventy million, eight hundred sixty-one thousand, eight hundred eight".
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