Base | Representation |
---|---|
bin | 1000111110000000000 |
3 | 112221010202 |
4 | 1013300000 |
5 | 33401023 |
6 | 10144332 |
7 | 2332550 |
oct | 1076000 |
9 | 487122 |
10 | 293888 |
11 | 190891 |
12 | 1220a8 |
13 | a39ca |
14 | 79160 |
15 | 5c128 |
hex | 47c00 |
293888 has 44 divisors (see below), whose sum is σ = 687792. Its totient is φ = 122880.
The previous prime is 293863. The next prime is 293893. The reversal of 293888 is 888392.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 293888.
It is an unprimeable number.
293888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148 + ... + 7188.
293888 is a Friedman number, since it can be written as 8^3*(9*8*8-2), using all its digits and the basic arithmetic operations.
2293888 is an apocalyptic number.
293888 is a gapful number since it is divisible by the number (28) 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 293888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343896).
293888 is an abundant number, since it is smaller than the sum of its proper divisors (393904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
293888 is an equidigital number, since it uses as much as digits as its factorization.
293888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68 (or 50 counting only the distinct ones).
The product of its digits is 27648, while the sum is 38.
The square root of 293888 is about 542.1143790751. The cubic root of 293888 is about 66.4855528568.
The spelling of 293888 in words is "two hundred ninety-three thousand, eight hundred eighty-eight".
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