Base | Representation |
---|---|
bin | 1000101100100… |
… | …00010111101010 |
3 | 12002020220002122 |
4 | 10112100113222 |
5 | 122133134312 |
6 | 11123231242 |
7 | 1544002022 |
oct | 426202752 |
9 | 162226078 |
10 | 72943082 |
11 | 381a1243 |
12 | 20518522 |
13 | 1215c2b4 |
14 | 998aa82 |
15 | 660cb72 |
hex | 45905ea |
72943082 has 8 divisors (see below), whose sum is σ = 110383236. Its totient is φ = 36148672.
The previous prime is 72943081. The next prime is 72943111. The reversal of 72943082 is 28034927.
It can be written as a sum of positive squares in 2 ways, for example, as 72914521 + 28561 = 8539^2 + 169^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (72943081) 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, 161153 + ... + 161604.
Almost surely, 272943082 is an apocalyptic number.
72943082 is a deficient number, since it is larger than the sum of its proper divisors (37440154).
72943082 is a wasteful number, since it uses less digits than its factorization.
72943082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322872.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 72943082 is about 8540.6722217868. The cubic root of 72943082 is about 417.8252705605.
The spelling of 72943082 in words is "seventy-two million, nine hundred forty-three thousand, eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •