Base | Representation |
---|---|
bin | 10000001001000… |
… | …000101111010100 |
3 | 200212112221201102 |
4 | 100021000233110 |
5 | 1023311012110 |
6 | 42512045232 |
7 | 6465512621 |
oct | 2011005724 |
9 | 625487642 |
10 | 270797780 |
11 | 129949420 |
12 | 76833818 |
13 | 44144c96 |
14 | 27d71348 |
15 | 18b915a5 |
hex | 10240bd4 |
270797780 has 48 divisors (see below), whose sum is σ = 628266240. Its totient is φ = 97219200.
The previous prime is 270797773. The next prime is 270797797. The reversal of 270797780 is 87797072.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9590 + ... + 25170.
It is an arithmetic number, because the mean of its divisors is an integer number (13088880).
Almost surely, 2270797780 is an apocalyptic number.
270797780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 270797780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314133120).
270797780 is an abundant number, since it is smaller than the sum of its proper divisors (357468460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270797780 is a wasteful number, since it uses less digits than its factorization.
270797780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15680 (or 15678 counting only the distinct ones).
The product of its (nonzero) digits is 345744, while the sum is 47.
The square root of 270797780 is about 16455.9344918482. The cubic root of 270797780 is about 646.9663606560.
The spelling of 270797780 in words is "two hundred seventy million, seven hundred ninety-seven thousand, seven hundred eighty".
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