Base | Representation |
---|---|
bin | 11010101001111… |
… | …11110010101110 |
3 | 120120202110111010 |
4 | 31110333302232 |
5 | 424220423412 |
6 | 34104410050 |
7 | 5353431213 |
oct | 1524776256 |
9 | 516673433 |
10 | 223607982 |
11 | 105247a94 |
12 | 62a76926 |
13 | 37431a20 |
14 | 219a9b0a |
15 | 1496e33c |
hex | d53fcae |
223607982 has 32 divisors (see below), whose sum is σ = 482192928. Its totient is φ = 68720256.
The previous prime is 223607981. The next prime is 223608013. The reversal of 223607982 is 289706322.
It is a super-2 number, since 2×2236079822 = 100001059228224648, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 223607982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223607981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112348 + ... + 114320.
It is an arithmetic number, because the mean of its divisors is an integer number (15068529).
Almost surely, 2223607982 is an apocalyptic number.
223607982 is an abundant number, since it is smaller than the sum of its proper divisors (258584946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223607982 is a wasteful number, since it uses less digits than its factorization.
223607982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3444.
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 223607982 is about 14953.5274099458. The cubic root of 223607982 is about 606.9633025174.
The spelling of 223607982 in words is "two hundred twenty-three million, six hundred seven thousand, nine hundred eighty-two".
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