Base | Representation |
---|---|
bin | 11010101010110… |
… | …10000001010000 |
3 | 120120221220211212 |
4 | 31111122001100 |
5 | 424232343113 |
6 | 34110555252 |
7 | 5354356340 |
oct | 1525320120 |
9 | 516856755 |
10 | 223715408 |
11 | 105310774 |
12 | 62b08b28 |
13 | 3746b8a7 |
14 | 219d6d20 |
15 | 149910a8 |
hex | d55a050 |
223715408 has 20 divisors (see below), whose sum is σ = 495370080. Its totient is φ = 95877984.
The previous prime is 223715407. The next prime is 223715419. The reversal of 223715408 is 804517322.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223715407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998618 + ... + 998841.
It is an arithmetic number, because the mean of its divisors is an integer number (24768504).
Almost surely, 2223715408 is an apocalyptic number.
223715408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
223715408 is an abundant number, since it is smaller than the sum of its proper divisors (271654672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223715408 is a wasteful number, since it uses less digits than its factorization.
223715408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1997474 (or 1997468 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 223715408 is about 14957.1189739201. The cubic root of 223715408 is about 607.0604862885.
The spelling of 223715408 in words is "two hundred twenty-three million, seven hundred fifteen thousand, four hundred eight".
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