Base | Representation |
---|---|
bin | 1000101011011… |
… | …10001010100110 |
3 | 12001222202220202 |
4 | 10111232022212 |
5 | 122114143412 |
6 | 11120230502 |
7 | 1542546410 |
oct | 425561246 |
9 | 161882822 |
10 | 72802982 |
11 | 38105a5a |
12 | 2046b432 |
13 | 121105b5 |
14 | 99519b0 |
15 | 65d13c2 |
hex | 456e2a6 |
72802982 has 16 divisors (see below), whose sum is σ = 125556480. Its totient is φ = 31013448.
The previous prime is 72802957. The next prime is 72802987. The reversal of 72802982 is 28920827.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72802987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13232 + ... + 17907.
It is an arithmetic number, because the mean of its divisors is an integer number (7847280).
Almost surely, 272802982 is an apocalyptic number.
72802982 is a deficient number, since it is larger than the sum of its proper divisors (52753498).
72802982 is a wasteful number, since it uses less digits than its factorization.
72802982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31315.
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 72802982 is about 8532.4663491865. The cubic root of 72802982 is about 417.5575968442.
The spelling of 72802982 in words is "seventy-two million, eight hundred two thousand, nine hundred eighty-two".
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