Base | Representation |
---|---|
bin | 1001100110100… |
… | …00011001011111 |
3 | 12121120010111001 |
4 | 10303100121133 |
5 | 131104423000 |
6 | 11554211131 |
7 | 1665424111 |
oct | 463203137 |
9 | 177503431 |
10 | 80545375 |
11 | 41513a29 |
12 | 22b83aa7 |
13 | 138c16b1 |
14 | a9a93b1 |
15 | 711046a |
hex | 4cd065f |
80545375 has 8 divisors (see below), whose sum is σ = 100520784. Its totient is φ = 64436200.
The previous prime is 80545369. The next prime is 80545391. The reversal of 80545375 is 57354508.
It is not a de Polignac number, because 80545375 - 219 = 80021087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322057 + ... + 322306.
It is an arithmetic number, because the mean of its divisors is an integer number (12565098).
Almost surely, 280545375 is an apocalyptic number.
80545375 is a deficient number, since it is larger than the sum of its proper divisors (19975409).
80545375 is an equidigital number, since it uses as much as digits as its factorization.
80545375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 644378 (or 644368 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 37.
The square root of 80545375 is about 8974.7075161255. The cubic root of 80545375 is about 431.8638670711.
The spelling of 80545375 in words is "eighty million, five hundred forty-five thousand, three hundred seventy-five".
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