Base | Representation |
---|---|
bin | 1000101100100… |
… | …00000101100010 |
3 | 12002020211111200 |
4 | 10112100011202 |
5 | 122133120142 |
6 | 11123222030 |
7 | 1543665444 |
oct | 426200542 |
9 | 162224450 |
10 | 72941922 |
11 | 381a0389 |
12 | 20517916 |
13 | 1215b901 |
14 | 998a494 |
15 | 660c64c |
hex | 4590162 |
72941922 has 24 divisors (see below), whose sum is σ = 159579264. Its totient is φ = 24077304.
The previous prime is 72941899. The next prime is 72941923. The reversal of 72941922 is 22914927.
It is not an unprimeable number, because it can be changed into a prime (72941923) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17818 + ... + 21525.
It is an arithmetic number, because the mean of its divisors is an integer number (6649136).
Almost surely, 272941922 is an apocalyptic number.
72941922 is an abundant number, since it is smaller than the sum of its proper divisors (86637342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72941922 is a wasteful number, since it uses less digits than its factorization.
72941922 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39454 (or 39451 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 72941922 is about 8540.6043111714. The cubic root of 72941922 is about 417.8230556834.
It can be divided in two parts, 7294 and 1922, that added together give a square (9216 = 962).
The spelling of 72941922 in words is "seventy-two million, nine hundred forty-one thousand, nine hundred twenty-two".
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