Base | Representation |
---|---|
bin | 10111000001000… |
… | …11101110000010 |
3 | 111110022200212000 |
4 | 23200203232002 |
5 | 343412144130 |
6 | 31054244430 |
7 | 4533121650 |
oct | 1340435602 |
9 | 443280760 |
10 | 193084290 |
11 | 99a9a0a3 |
12 | 547b6716 |
13 | 31005579 |
14 | 1b901dd0 |
15 | 11e40260 |
hex | b823b82 |
193084290 has 64 divisors (see below), whose sum is σ = 588453120. Its totient is φ = 44133120.
The previous prime is 193084279. The next prime is 193084313. The reversal of 193084290 is 92480391.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49191 + ... + 52970.
It is an arithmetic number, because the mean of its divisors is an integer number (9194580).
Almost surely, 2193084290 is an apocalyptic number.
193084290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
193084290 is an abundant number, since it is smaller than the sum of its proper divisors (395368830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193084290 is a wasteful number, since it uses less digits than its factorization.
193084290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102184 (or 102178 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 193084290 is about 13895.4773217763. The cubic root of 193084290 is about 577.9837740842.
The spelling of 193084290 in words is "one hundred ninety-three million, eighty-four thousand, two hundred ninety".
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