Base | Representation |
---|---|
bin | 110110011101… |
… | …1000000100111 |
3 | 1222201122200222 |
4 | 1230323000213 |
5 | 24302201010 |
6 | 2455554555 |
7 | 464461433 |
oct | 154730047 |
9 | 58648628 |
10 | 28553255 |
11 | 15132535 |
12 | 968ba5b |
13 | 5bb9623 |
14 | 3b139c3 |
15 | 2790355 |
hex | 1b3b027 |
28553255 has 8 divisors (see below), whose sum is σ = 35445600. Its totient is φ = 22054816.
The previous prime is 28553249. The next prime is 28553309. The reversal of 28553255 is 55235582.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28553255 - 26 = 28553191 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98315 + ... + 98604.
It is an arithmetic number, because the mean of its divisors is an integer number (4430700).
Almost surely, 228553255 is an apocalyptic number.
28553255 is a deficient number, since it is larger than the sum of its proper divisors (6892345).
28553255 is a wasteful number, since it uses less digits than its factorization.
28553255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196953.
The product of its digits is 60000, while the sum is 35.
The square root of 28553255 is about 5343.5245858890. The cubic root of 28553255 is about 305.6458766719.
The spelling of 28553255 in words is "twenty-eight million, five hundred fifty-three thousand, two hundred fifty-five".
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