Base | Representation |
---|---|
bin | 11011001101001… |
… | …11011110110110 |
3 | 120220110010120210 |
4 | 31212213132312 |
5 | 431411230443 |
6 | 34351410250 |
7 | 5440616556 |
oct | 1546473666 |
9 | 526403523 |
10 | 228226998 |
11 | 10791235a |
12 | 64523986 |
13 | 3838b27c |
14 | 2244d166 |
15 | 15082c33 |
hex | d9a77b6 |
228226998 has 16 divisors (see below), whose sum is σ = 457295040. Its totient is φ = 75935496.
The previous prime is 228226997. The next prime is 228227011. The reversal of 228226998 is 899622822.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228226997) 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, 31488 + ... + 38051.
It is an arithmetic number, because the mean of its divisors is an integer number (28580940).
Almost surely, 2228226998 is an apocalyptic number.
228226998 is an abundant number, since it is smaller than the sum of its proper divisors (229068042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228226998 is a wasteful number, since it uses less digits than its factorization.
228226998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70091.
The product of its digits is 497664, while the sum is 48.
The square root of 228226998 is about 15107.1836554667. The cubic root of 228226998 is about 611.1141494088.
The spelling of 228226998 in words is "two hundred twenty-eight million, two hundred twenty-six thousand, nine hundred ninety-eight".
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