Base | Representation |
---|---|
bin | 11100100000111… |
… | …01000010101100 |
3 | 121200002022212120 |
4 | 32100131002230 |
5 | 442213204114 |
6 | 35422432540 |
7 | 5633055300 |
oct | 1620350254 |
9 | 550068776 |
10 | 239194284 |
11 | 11302322a |
12 | 68132750 |
13 | 3a72b1a4 |
14 | 23aa5d00 |
15 | 15eec5a9 |
hex | e41d0ac |
239194284 has 72 divisors (see below), whose sum is σ = 687461040. Its totient is φ = 64318464.
The previous prime is 239194283. The next prime is 239194289. The reversal of 239194284 is 482491932.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (239194283) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969 + ... + 21960.
It is an arithmetic number, because the mean of its divisors is an integer number (9548070).
Almost surely, 2239194284 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 239194284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343730520).
239194284 is an abundant number, since it is smaller than the sum of its proper divisors (448266756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239194284 is a wasteful number, since it uses less digits than its factorization.
239194284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23967 (or 23958 counting only the distinct ones).
The product of its digits is 124416, while the sum is 42.
The square root of 239194284 is about 15465.9071508916. The cubic root of 239194284 is about 620.7502918083.
It can be divided in two parts, 23919 and 4284, that added together give a triangular number (28203 = T237).
The spelling of 239194284 in words is "two hundred thirty-nine million, one hundred ninety-four thousand, two hundred eighty-four".
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