Base | Representation |
---|---|
bin | 110101100110… |
… | …0100111100111 |
3 | 1221212200110022 |
4 | 1223030213213 |
5 | 24143213340 |
6 | 2442145355 |
7 | 460566251 |
oct | 153144747 |
9 | 57780408 |
10 | 28101095 |
11 | 14953850 |
12 | 94b225b |
13 | 5a8b889 |
14 | 3a36cd1 |
15 | 27013b5 |
hex | 1acc9e7 |
28101095 has 16 divisors (see below), whose sum is σ = 38724480. Its totient is φ = 19360800.
The previous prime is 28101071. The next prime is 28101103. The reversal of 28101095 is 59010182.
It is a happy number.
It is not a de Polignac number, because 28101095 - 214 = 28084711 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12401 + ... + 14490.
It is an arithmetic number, because the mean of its divisors is an integer number (2420280).
Almost surely, 228101095 is an apocalyptic number.
28101095 is a deficient number, since it is larger than the sum of its proper divisors (10623385).
28101095 is a wasteful number, since it uses less digits than its factorization.
28101095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26926.
The product of its (nonzero) digits is 720, while the sum is 26.
The square root of 28101095 is about 5301.0465947773. The cubic root of 28101095 is about 304.0239153335.
The spelling of 28101095 in words is "twenty-eight million, one hundred one thousand, ninety-five".
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