Base | Representation |
---|---|
bin | 1000100111110… |
… | …11100101100101 |
3 | 12001002221010210 |
4 | 10103323211211 |
5 | 122004134134 |
6 | 11102210033 |
7 | 1535553222 |
oct | 423734545 |
9 | 161087123 |
10 | 72333669 |
11 | 379153a1 |
12 | 20283919 |
13 | 11ca7ab5 |
14 | 986c949 |
15 | 653c2e9 |
hex | 44fb965 |
72333669 has 8 divisors (see below), whose sum is σ = 97884640. Its totient is φ = 47502576.
The previous prime is 72333661. The next prime is 72333683. The reversal of 72333669 is 96633327.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72333669 - 23 = 72333661 is a prime.
It is a super-2 number, since 2×723336692 = 10464319342003122, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72333661) 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, 179734 + ... + 180135.
It is an arithmetic number, because the mean of its divisors is an integer number (12235580).
Almost surely, 272333669 is an apocalyptic number.
It is an amenable number.
72333669 is a deficient number, since it is larger than the sum of its proper divisors (25550971).
72333669 is a wasteful number, since it uses less digits than its factorization.
72333669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359939.
The product of its digits is 122472, while the sum is 39.
The square root of 72333669 is about 8504.9202818133. The cubic root of 72333669 is about 416.6584220946.
The spelling of 72333669 in words is "seventy-two million, three hundred thirty-three thousand, six hundred sixty-nine".
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