Base | Representation |
---|---|
bin | 110111000010… |
… | …0010011001000 |
3 | 2000021220111020 |
4 | 1232010103020 |
5 | 24341302243 |
6 | 2510232440 |
7 | 500151561 |
oct | 156042310 |
9 | 60256436 |
10 | 28853448 |
11 | 15318028 |
12 | 97b5720 |
13 | 5c93160 |
14 | 3b91168 |
15 | 27ee283 |
hex | 1b844c8 |
28853448 has 32 divisors (see below), whose sum is σ = 77683200. Its totient is φ = 8877888.
The previous prime is 28853443. The next prime is 28853449. The reversal of 28853448 is 84435882.
It is a happy number.
It is a super-2 number, since 2×288534482 = 1665042922977408, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28853443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45928 + ... + 46551.
It is an arithmetic number, because the mean of its divisors is an integer number (2427600).
Almost surely, 228853448 is an apocalyptic number.
It is an amenable number.
28853448 is an abundant number, since it is smaller than the sum of its proper divisors (48829752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28853448 is a wasteful number, since it uses less digits than its factorization.
28853448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92501 (or 92497 counting only the distinct ones).
The product of its digits is 245760, while the sum is 42.
The square root of 28853448 is about 5371.5405611426. The cubic root of 28853448 is about 306.7132747896.
Subtracting from 28853448 its sum of digits (42), we obtain a triangular number (28853406 = T7596).
The spelling of 28853448 in words is "twenty-eight million, eight hundred fifty-three thousand, four hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •