Base | Representation |
---|---|
bin | 1010001001101… |
… | …1100011010001 |
3 | 2222010022000121 |
4 | 2202123203101 |
5 | 41400031202 |
6 | 4120350241 |
7 | 1024632313 |
oct | 242334321 |
9 | 88108017 |
10 | 42580177 |
11 | 22043132 |
12 | 12315381 |
13 | 8a8b093 |
14 | 59257b3 |
15 | 3b11537 |
hex | 289b8d1 |
42580177 has 4 divisors (see below), whose sum is σ = 42866100. Its totient is φ = 42294256.
The previous prime is 42580141. The next prime is 42580183. The reversal of 42580177 is 77108524.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 40436881 = 1464^2 + 6359^2 .
It is a cyclic number.
It is not a de Polignac number, because 42580177 - 223 = 34191569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42580117) 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, 142738 + ... + 143035.
It is an arithmetic number, because the mean of its divisors is an integer number (10716525).
Almost surely, 242580177 is an apocalyptic number.
It is an amenable number.
42580177 is a deficient number, since it is larger than the sum of its proper divisors (285923).
42580177 is a wasteful number, since it uses less digits than its factorization.
42580177 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285922.
The product of its (nonzero) digits is 15680, while the sum is 34.
The square root of 42580177 is about 6525.3488029377. The cubic root of 42580177 is about 349.1959146639.
The spelling of 42580177 in words is "forty-two million, five hundred eighty thousand, one hundred seventy-seven".
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