Base | Representation |
---|---|
bin | 10111000100000… |
… | …01101000000000 |
3 | 111111001020110212 |
4 | 23202001220000 |
5 | 344012001203 |
6 | 31110413252 |
7 | 4536313232 |
oct | 1342015000 |
9 | 444036425 |
10 | 193468928 |
11 | 9a232084 |
12 | 54961228 |
13 | 3110b673 |
14 | 1b9a2252 |
15 | 11eb91d8 |
hex | b881a00 |
193468928 has 40 divisors (see below), whose sum is σ = 388903680. Its totient is φ = 96148480.
The previous prime is 193468927. The next prime is 193468931. The reversal of 193468928 is 829864391.
It is a happy number.
It is a super-2 number, since 2×1934689282 = 74860452202938368, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (193468927) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90593 + ... + 92703.
It is an arithmetic number, because the mean of its divisors is an integer number (9722592).
Almost surely, 2193468928 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 193468928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194451840).
193468928 is an abundant number, since it is smaller than the sum of its proper divisors (195434752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193468928 is an equidigital number, since it uses as much as digits as its factorization.
193468928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2308 (or 2292 counting only the distinct ones).
The product of its digits is 746496, while the sum is 50.
The square root of 193468928 is about 13909.3108384276. The cubic root of 193468928 is about 578.3673148059.
The spelling of 193468928 in words is "one hundred ninety-three million, four hundred sixty-eight thousand, nine hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •