Base | Representation |
---|---|
bin | 11011010010001… |
… | …01011010010111 |
3 | 120221122222221100 |
4 | 31221011122113 |
5 | 432042431004 |
6 | 34413321143 |
7 | 5446252533 |
oct | 1551053227 |
9 | 527588840 |
10 | 228873879 |
11 | 108214373 |
12 | 647961b3 |
13 | 38556840 |
14 | 2257abc3 |
15 | 1515e739 |
hex | da45697 |
228873879 has 24 divisors (see below), whose sum is σ = 363609792. Its totient is φ = 137845440.
The previous prime is 228873877. The next prime is 228873889. The reversal of 228873879 is 978378822.
It is not a de Polignac number, because 228873879 - 21 = 228873877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228873877) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15312 + ... + 26309.
It is an arithmetic number, because the mean of its divisors is an integer number (15150408).
Almost surely, 2228873879 is an apocalyptic number.
228873879 is a deficient number, since it is larger than the sum of its proper divisors (134735913).
228873879 is a wasteful number, since it uses less digits than its factorization.
228873879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41687 (or 41684 counting only the distinct ones).
The product of its digits is 2709504, while the sum is 54.
The square root of 228873879 is about 15128.5782213663. The cubic root of 228873879 is about 611.6909804137.
It can be divided in two parts, 2288 and 73879, that added together give a palindrome (76167).
The spelling of 228873879 in words is "two hundred twenty-eight million, eight hundred seventy-three thousand, eight hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •