Base | Representation |
---|---|
bin | 110101011111… |
… | …0000011101110 |
3 | 1221202122122101 |
4 | 1222332003232 |
5 | 24134311304 |
6 | 2441005314 |
7 | 460230340 |
oct | 152760356 |
9 | 57678571 |
10 | 28041454 |
11 | 14912a61 |
12 | 948383a |
13 | 5a6a69c |
14 | 3a1d290 |
15 | 26dd8a4 |
hex | 1abe0ee |
28041454 has 32 divisors (see below), whose sum is σ = 50918400. Its totient is φ = 11314080.
The previous prime is 28041451. The next prime is 28041479. The reversal of 28041454 is 45414082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28041451) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71892 + ... + 72280.
It is an arithmetic number, because the mean of its divisors is an integer number (1591200).
Almost surely, 228041454 is an apocalyptic number.
28041454 is a deficient number, since it is larger than the sum of its proper divisors (22876946).
28041454 is a wasteful number, since it uses less digits than its factorization.
28041454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 688.
The product of its (nonzero) digits is 5120, while the sum is 28.
The square root of 28041454 is about 5295.4182082249. The cubic root of 28041454 is about 303.8086789603.
The spelling of 28041454 in words is "twenty-eight million, forty-one thousand, four hundred fifty-four".
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