Base | Representation |
---|---|
bin | 10000001001101… |
… | …111000010110100 |
3 | 200212220120220000 |
4 | 100021233002310 |
5 | 1023333044234 |
6 | 42520111300 |
7 | 6500232600 |
oct | 2011570264 |
9 | 625816800 |
10 | 270987444 |
11 | 129a68972 |
12 | 76905530 |
13 | 441b0400 |
14 | 27dc0500 |
15 | 18bcc899 |
hex | 1026f0b4 |
270987444 has 270 divisors, whose sum is σ = 901175814. Its totient is φ = 70761600.
The previous prime is 270987427. The next prime is 270987503. The reversal of 270987444 is 444789072.
Added to its reverse (444789072) it gives a square (715776516 = 267542).
It can be written as a sum of positive squares in 3 ways, for example, as 22924944 + 248062500 = 4788^2 + 15750^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 270987444.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 2682994 + ... + 2683094.
Almost surely, 2270987444 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 270987444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450587907).
270987444 is an abundant number, since it is smaller than the sum of its proper divisors (630188370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270987444 is a wasteful number, since it uses less digits than its factorization.
270987444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157 (or 126 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The square root of 270987444 is about 16461.6962673960. The cubic root of 270987444 is about 647.1173682844.
Adding to 270987444 its reverse (444789072), we get a square (715776516 = 267542).
The spelling of 270987444 in words is "two hundred seventy million, nine hundred eighty-seven thousand, four hundred forty-four".
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