Base | Representation |
---|---|
bin | 1001100101100… |
… | …00001001001010 |
3 | 12121022102020211 |
4 | 10302300021022 |
5 | 131041211013 |
6 | 11551311334 |
7 | 1664333662 |
oct | 462601112 |
9 | 177272224 |
10 | 80413258 |
11 | 41433742 |
12 | 22b1b54a |
13 | 13876513 |
14 | a9731a2 |
15 | 70d623d |
hex | 4cb024a |
80413258 has 4 divisors (see below), whose sum is σ = 120619890. Its totient is φ = 40206628.
The previous prime is 80413253. The next prime is 80413261. The reversal of 80413258 is 85231408.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 80156209 + 257049 = 8953^2 + 507^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (80413253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20103313 + ... + 20103316.
Almost surely, 280413258 is an apocalyptic number.
80413258 is a deficient number, since it is larger than the sum of its proper divisors (40206632).
80413258 is a wasteful number, since it uses less digits than its factorization.
80413258 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40206631.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 80413258 is about 8967.3439768975. The cubic root of 80413258 is about 431.6276119034.
The spelling of 80413258 in words is "eighty million, four hundred thirteen thousand, two hundred fifty-eight".
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