Base | Representation |
---|---|
bin | 1001100101111… |
… | …11000110100010 |
3 | 12121102112022011 |
4 | 10302333012202 |
5 | 131100141110 |
6 | 11552503134 |
7 | 1665010423 |
oct | 462770642 |
9 | 177375264 |
10 | 80474530 |
11 | 41475784 |
12 | 22b4aaaa |
13 | 13898386 |
14 | a98b64a |
15 | 70e948a |
hex | 4cbf1a2 |
80474530 has 8 divisors (see below), whose sum is σ = 144854172. Its totient is φ = 32189808.
The previous prime is 80474509. The next prime is 80474573. The reversal of 80474530 is 3547408.
It can be written as a sum of positive squares in 2 ways, for example, as 78304801 + 2169729 = 8849^2 + 1473^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×804745302 = 12952299957441800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80474492 and 80474501.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023717 + ... + 4023736.
Almost surely, 280474530 is an apocalyptic number.
80474530 is a deficient number, since it is larger than the sum of its proper divisors (64379642).
80474530 is a wasteful number, since it uses less digits than its factorization.
80474530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8047460.
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 80474530 is about 8970.7597225653. The cubic root of 80474530 is about 431.7372122910.
The spelling of 80474530 in words is "eighty million, four hundred seventy-four thousand, five hundred thirty".
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