Base | Representation |
---|---|
bin | 1000101011110… |
… | …01001111100110 |
3 | 12002002002011100 |
4 | 10111321033212 |
5 | 122122121413 |
6 | 11121220530 |
7 | 1543125612 |
oct | 425711746 |
9 | 162062140 |
10 | 72848358 |
11 | 38137060 |
12 | 20491746 |
13 | 1212814b |
14 | 9964342 |
15 | 65dea73 |
hex | 45793e6 |
72848358 has 48 divisors (see below), whose sum is σ = 174008016. Its totient is φ = 21841920.
The previous prime is 72848351. The next prime is 72848387. The reversal of 72848358 is 85384827.
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 Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72848351) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17310 + ... + 21102.
It is an arithmetic number, because the mean of its divisors is an integer number (3625167).
Almost surely, 272848358 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72848358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87004008).
72848358 is an abundant number, since it is smaller than the sum of its proper divisors (101159658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72848358 is a wasteful number, since it uses less digits than its factorization.
72848358 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3909 (or 3906 counting only the distinct ones).
The product of its digits is 430080, while the sum is 45.
The square root of 72848358 is about 8535.1249551486. The cubic root of 72848358 is about 417.6443293651.
The spelling of 72848358 in words is "seventy-two million, eight hundred forty-eight thousand, three hundred fifty-eight".
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