Base | Representation |
---|---|
bin | 110101100110… |
… | …1110110101001 |
3 | 1221212221101122 |
4 | 1223031312221 |
5 | 24143344103 |
6 | 2442225025 |
7 | 460620065 |
oct | 153156651 |
9 | 57787348 |
10 | 28106153 |
11 | 14957629 |
12 | 94b5175 |
13 | 5a90c7a |
14 | 3a38aa5 |
15 | 2702b38 |
hex | 1acdda9 |
28106153 has 4 divisors (see below), whose sum is σ = 28118160. Its totient is φ = 28094148.
The previous prime is 28106129. The next prime is 28106189. The reversal of 28106153 is 35160182.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 28106153 - 214 = 28089769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28106123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 7596.
It is an arithmetic number, because the mean of its divisors is an integer number (7029540).
Almost surely, 228106153 is an apocalyptic number.
It is an amenable number.
28106153 is a deficient number, since it is larger than the sum of its proper divisors (12007).
28106153 is an equidigital number, since it uses as much as digits as its factorization.
28106153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12006.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 28106153 is about 5301.5236489145. The cubic root of 28106153 is about 304.0421549633.
The spelling of 28106153 in words is "twenty-eight million, one hundred six thousand, one hundred fifty-three".
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