Base | Representation |
---|---|
bin | 1000100110101… |
… | …10111001011010 |
3 | 12000211021222202 |
4 | 10103112321122 |
5 | 121434332021 |
6 | 11055050202 |
7 | 1534356122 |
oct | 423267132 |
9 | 160737882 |
10 | 72183386 |
11 | 378224a0 |
12 | 20210962 |
13 | 11c54582 |
14 | 982dc82 |
15 | 650ca0b |
hex | 44d6e5a |
72183386 has 8 divisors (see below), whose sum is σ = 118118304. Its totient is φ = 32810620.
The previous prime is 72183379. The next prime is 72183389. The reversal of 72183386 is 68338127.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (72183389) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640510 + ... + 1640553.
It is an arithmetic number, because the mean of its divisors is an integer number (14764788).
Almost surely, 272183386 is an apocalyptic number.
72183386 is a deficient number, since it is larger than the sum of its proper divisors (45934918).
72183386 is a wasteful number, since it uses less digits than its factorization.
72183386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3281076.
The product of its digits is 48384, while the sum is 38.
The square root of 72183386 is about 8496.0806257945. The cubic root of 72183386 is about 416.3696672473.
The spelling of 72183386 in words is "seventy-two million, one hundred eighty-three thousand, three hundred eighty-six".
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