Base | Representation |
---|---|
bin | 1000101011011… |
… | …10000111100110 |
3 | 12001222202122122 |
4 | 10111232013212 |
5 | 122114142130 |
6 | 11120225542 |
7 | 1542546014 |
oct | 425560746 |
9 | 161882578 |
10 | 72802790 |
11 | 381058a5 |
12 | 2046b2b2 |
13 | 12110498 |
14 | 99518b4 |
15 | 65d12e5 |
hex | 456e1e6 |
72802790 has 8 divisors (see below), whose sum is σ = 131045040. Its totient is φ = 29121112.
The previous prime is 72802783. The next prime is 72802799. The reversal of 72802790 is 9720827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 72802790.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72802799) 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, 3640130 + ... + 3640149.
It is an arithmetic number, because the mean of its divisors is an integer number (16380630).
Almost surely, 272802790 is an apocalyptic number.
72802790 is a deficient number, since it is larger than the sum of its proper divisors (58242250).
72802790 is a wasteful number, since it uses less digits than its factorization.
72802790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7280286.
The product of its (nonzero) digits is 14112, while the sum is 35.
The square root of 72802790 is about 8532.4550980360. The cubic root of 72802790 is about 417.5572297753.
The spelling of 72802790 in words is "seventy-two million, eight hundred two thousand, seven hundred ninety".
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