Base | Representation |
---|---|
bin | 11011010010101… |
… | …11101011010111 |
3 | 120221210210120022 |
4 | 31221113223113 |
5 | 432102324240 |
6 | 34415055355 |
7 | 5450013623 |
oct | 1551275327 |
9 | 527723508 |
10 | 228948695 |
11 | 1082655a8 |
12 | 6481155b |
13 | 38581901 |
14 | 2259a183 |
15 | 151769b5 |
hex | da57ad7 |
228948695 has 4 divisors (see below), whose sum is σ = 274738440. Its totient is φ = 183158952.
The previous prime is 228948691. The next prime is 228948751. The reversal of 228948695 is 596849822.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 596849822 = 2 ⋅298424911.
It is a cyclic number.
It is not a de Polignac number, because 228948695 - 22 = 228948691 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228948691) 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, 22894865 + ... + 22894874.
It is an arithmetic number, because the mean of its divisors is an integer number (68684610).
Almost surely, 2228948695 is an apocalyptic number.
228948695 is a deficient number, since it is larger than the sum of its proper divisors (45789745).
228948695 is an equidigital number, since it uses as much as digits as its factorization.
228948695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45789744.
The product of its digits is 2488320, while the sum is 53.
The square root of 228948695 is about 15131.0506905502. The cubic root of 228948695 is about 611.7576245219.
The spelling of 228948695 in words is "two hundred twenty-eight million, nine hundred forty-eight thousand, six hundred ninety-five".
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