Base | Representation |
---|---|
bin | 11100100000000… |
… | …00001000010000 |
3 | 121122212022102100 |
4 | 32100000020100 |
5 | 442200411411 |
6 | 35420120400 |
7 | 5632053105 |
oct | 1620001020 |
9 | 548768370 |
10 | 239075856 |
11 | 112a52258 |
12 | 68096100 |
13 | 3a6b9306 |
14 | 23a74aac |
15 | 15ec7456 |
hex | e400210 |
239075856 has 90 divisors (see below), whose sum is σ = 680048798. Its totient is φ = 78405120.
The previous prime is 239075843. The next prime is 239075857. The reversal of 239075856 is 658570932.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 223203600 + 15872256 = 14940^2 + 3984^2 .
It is not an unprimeable number, because it can be changed into a prime (239075857) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 991896 + ... + 992136.
Almost surely, 2239075856 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 239075856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340024399).
239075856 is an abundant number, since it is smaller than the sum of its proper divisors (440972942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239075856 is a wasteful number, since it uses less digits than its factorization.
239075856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421 (or 329 counting only the distinct ones).
The product of its (nonzero) digits is 453600, while the sum is 45.
The square root of 239075856 is about 15462.0779974750. The cubic root of 239075856 is about 620.6478278889.
The spelling of 239075856 in words is "two hundred thirty-nine million, seventy-five thousand, eight hundred fifty-six".
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