Base | Representation |
---|---|
bin | 1000101011011… |
… | …10000001011110 |
3 | 12001222202010010 |
4 | 10111232001132 |
5 | 122114134043 |
6 | 11120224050 |
7 | 1542544614 |
oct | 425560136 |
9 | 161882103 |
10 | 72802398 |
11 | 38105579 |
12 | 2046b026 |
13 | 12110256 |
14 | 99516b4 |
15 | 65d1133 |
hex | 456e05e |
72802398 has 32 divisors (see below), whose sum is σ = 154561824. Its totient is φ = 22781952.
The previous prime is 72802393. The next prime is 72802399. The reversal of 72802398 is 89320827.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72802393) 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 15 ways as a sum of consecutive naturals, for example, 58236 + ... + 59472.
It is an arithmetic number, because the mean of its divisors is an integer number (4830057).
Almost surely, 272802398 is an apocalyptic number.
72802398 is an abundant number, since it is smaller than the sum of its proper divisors (81759426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72802398 is a wasteful number, since it uses less digits than its factorization.
72802398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1836.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 72802398 is about 8532.4321268909. The cubic root of 72802398 is about 417.5564803410.
The spelling of 72802398 in words is "seventy-two million, eight hundred two thousand, three hundred ninety-eight".
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