Base | Representation |
---|---|
bin | 10000000110100… |
… | …000110110010010 |
3 | 200211022200100100 |
4 | 100012200312102 |
5 | 1023124032431 |
6 | 42450033230 |
7 | 6460114350 |
oct | 2006406622 |
9 | 624280310 |
10 | 270142866 |
11 | 129541374 |
12 | 76578816 |
13 | 43c75b66 |
14 | 27c407d0 |
15 | 18ab24e6 |
hex | 101a0d92 |
270142866 has 144 divisors (see below), whose sum is σ = 728687232. Its totient is φ = 70709760.
The previous prime is 270142849. The next prime is 270142867. The reversal of 270142866 is 668241072.
It is a self number, because there is not a number n which added to its sum of digits gives 270142866.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (270142867) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2784930 + ... + 2785026.
It is an arithmetic number, because the mean of its divisors is an integer number (5060328).
Almost surely, 2270142866 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 270142866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364343616).
270142866 is an abundant number, since it is smaller than the sum of its proper divisors (458544366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270142866 is a wasteful number, since it uses less digits than its factorization.
270142866 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197 (or 163 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 270142866 is about 16436.0234241741. The cubic root of 270142866 is about 646.4443852296. Note that the first 3 decimals are identical.
The spelling of 270142866 in words is "two hundred seventy million, one hundred forty-two thousand, eight hundred sixty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •