Base | Representation |
---|---|
bin | 1101000011111… |
… | …1010010101010 |
3 | 10211002101011021 |
4 | 3100333102222 |
5 | 103011111234 |
6 | 5234123054 |
7 | 1233444412 |
oct | 320772252 |
9 | 124071137 |
10 | 54785194 |
11 | 28a19a22 |
12 | 1642048a |
13 | b472499 |
14 | 73c1642 |
15 | 4c229b4 |
hex | 343f4aa |
54785194 has 4 divisors (see below), whose sum is σ = 82177794. Its totient is φ = 27392596.
The previous prime is 54785191. The next prime is 54785201. The reversal of 54785194 is 49158745.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49158745 = 5 ⋅9831749.
It can be written as a sum of positive squares in only one way, i.e., 51768025 + 3017169 = 7195^2 + 1737^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 54785194.
It is not an unprimeable number, because it can be changed into a prime (54785191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13696297 + ... + 13696300.
Almost surely, 254785194 is an apocalyptic number.
54785194 is a deficient number, since it is larger than the sum of its proper divisors (27392600).
54785194 is a wasteful number, since it uses less digits than its factorization.
54785194 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27392599.
The product of its digits is 201600, while the sum is 43.
The square root of 54785194 is about 7401.7021015439. The cubic root of 54785194 is about 379.7995110453.
The spelling of 54785194 in words is "fifty-four million, seven hundred eighty-five thousand, one hundred ninety-four".
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