Base | Representation |
---|---|
bin | 110101111110… |
… | …1111011110111 |
3 | 1222020221112210 |
4 | 1223331323313 |
5 | 24221144340 |
6 | 2450344503 |
7 | 462400212 |
oct | 153757367 |
9 | 58227483 |
10 | 28303095 |
11 | 14a81597 |
12 | 958b133 |
13 | 5b2c7c2 |
14 | 3a8a779 |
15 | 2741180 |
hex | 1afdef7 |
28303095 has 16 divisors (see below), whose sum is σ = 45394272. Its totient is φ = 15058560.
The previous prime is 28303091. The next prime is 28303109. The reversal of 28303095 is 59030382.
It is a happy number.
It is not a de Polignac number, because 28303095 - 22 = 28303091 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28303091) 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, 4869 + ... + 8961.
It is an arithmetic number, because the mean of its divisors is an integer number (2837142).
Almost surely, 228303095 is an apocalyptic number.
28303095 is a deficient number, since it is larger than the sum of its proper divisors (17091177).
28303095 is a wasteful number, since it uses less digits than its factorization.
28303095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4562.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 28303095 is about 5320.0653191479. The cubic root of 28303095 is about 304.7506517093.
The spelling of 28303095 in words is "twenty-eight million, three hundred three thousand, ninety-five".
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