Base | Representation |
---|---|
bin | 11011001110111… |
… | …10001000111111 |
3 | 120220212111200200 |
4 | 31213132020333 |
5 | 431440412004 |
6 | 34400254543 |
7 | 5442541356 |
oct | 1547361077 |
9 | 526774620 |
10 | 228450879 |
11 | 107a55588 |
12 | 64611453 |
13 | 38439147 |
14 | 224aa99d |
15 | 150c9239 |
hex | d9de23f |
228450879 has 24 divisors (see below), whose sum is σ = 356840640. Its totient is φ = 140287488.
The previous prime is 228450877. The next prime is 228450899. The reversal of 228450879 is 978054822.
It is not a de Polignac number, because 228450879 - 21 = 228450877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228450877) 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, 8694 + ... + 23075.
It is an arithmetic number, because the mean of its divisors is an integer number (14868360).
Almost surely, 2228450879 is an apocalyptic number.
228450879 is a deficient number, since it is larger than the sum of its proper divisors (128389761).
228450879 is a wasteful number, since it uses less digits than its factorization.
228450879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31839 (or 31836 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 228450879 is about 15114.5915922330. The cubic root of 228450879 is about 611.3139097867.
The spelling of 228450879 in words is "two hundred twenty-eight million, four hundred fifty thousand, eight hundred seventy-nine".
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