Base | Representation |
---|---|
bin | 110110010001… |
… | …0110100110010 |
3 | 1222112121211001 |
4 | 1230202310302 |
5 | 24241013234 |
6 | 2453512214 |
7 | 463566556 |
oct | 154426462 |
9 | 58477731 |
10 | 28454194 |
11 | 1507506a |
12 | 964266a |
13 | 5b83502 |
14 | 3ac9866 |
15 | 2770d14 |
hex | 1b22d32 |
28454194 has 8 divisors (see below), whose sum is σ = 42884208. Its totient is φ = 14159460.
The previous prime is 28454177. The next prime is 28454201. The reversal of 28454194 is 49145482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33292 + ... + 34135.
It is an arithmetic number, because the mean of its divisors is an integer number (5360526).
Almost surely, 228454194 is an apocalyptic number.
28454194 is a deficient number, since it is larger than the sum of its proper divisors (14430014).
28454194 is a wasteful number, since it uses less digits than its factorization.
28454194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67640.
The product of its digits is 46080, while the sum is 37.
The square root of 28454194 is about 5334.2472758581. The cubic root of 28454194 is about 305.2920037858.
It can be divided in two parts, 284541 and 94, that added together give a triangular number (284635 = T754).
The spelling of 28454194 in words is "twenty-eight million, four hundred fifty-four thousand, one hundred ninety-four".
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