Base | Representation |
---|---|
bin | 1000010100011… |
… | …00101011011110 |
3 | 11212022022020100 |
4 | 10022030223132 |
5 | 120331012423 |
6 | 10531401530 |
7 | 1505065521 |
oct | 412145336 |
9 | 155268210 |
10 | 69782238 |
11 | 36432479 |
12 | 1b4532a6 |
13 | 115c3686 |
14 | 93a6bb8 |
15 | 61d6343 |
hex | 428cade |
69782238 has 48 divisors (see below), whose sum is σ = 155254320. Its totient is φ = 22643712.
The previous prime is 69782227. The next prime is 69782257. The reversal of 69782238 is 83228796.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 69782193 and 69782202.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183933 + ... + 184311.
It is an arithmetic number, because the mean of its divisors is an integer number (3234465).
Almost surely, 269782238 is an apocalyptic number.
69782238 is an abundant number, since it is smaller than the sum of its proper divisors (85472082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69782238 is a wasteful number, since it uses less digits than its factorization.
69782238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 633 (or 630 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 69782238 is about 8353.5763598593. The cubic root of 69782238 is about 411.7007244702.
It can be divided in two parts, 6978 and 2238, that added together give a square (9216 = 962).
The spelling of 69782238 in words is "sixty-nine million, seven hundred eighty-two thousand, two hundred thirty-eight".
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