Base | Representation |
---|---|
bin | 1000101100011… |
… | …10101110010110 |
3 | 12002020112212000 |
4 | 10112032232112 |
5 | 122132430332 |
6 | 11123140130 |
7 | 1543643253 |
oct | 426165626 |
9 | 162215760 |
10 | 72936342 |
11 | 38197176 |
12 | 20514646 |
13 | 121591cb |
14 | 998842a |
15 | 660ab7c |
hex | 458eb96 |
72936342 has 64 divisors (see below), whose sum is σ = 168030720. Its totient is φ = 23436000.
The previous prime is 72936329. The next prime is 72936349. The reversal of 72936342 is 24363927.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 72936297 and 72936306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72936349) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234367 + ... + 234677.
It is an arithmetic number, because the mean of its divisors is an integer number (2625480).
Almost surely, 272936342 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72936342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84015360).
72936342 is an abundant number, since it is smaller than the sum of its proper divisors (95094378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72936342 is a wasteful number, since it uses less digits than its factorization.
72936342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466 (or 460 counting only the distinct ones).
The product of its digits is 54432, while the sum is 36.
The square root of 72936342 is about 8540.2776301476. The cubic root of 72936342 is about 417.8124010327.
The spelling of 72936342 in words is "seventy-two million, nine hundred thirty-six thousand, three hundred forty-two".
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