Base | Representation |
---|---|
bin | 10100100100110000100 |
3 | 1021020210122 |
4 | 2210212010 |
5 | 133033210 |
6 | 22241112 |
7 | 5505353 |
oct | 2444604 |
9 | 1236718 |
10 | 674180 |
11 | 420581 |
12 | 286198 |
13 | 1a7b30 |
14 | 13799a |
15 | d4b55 |
hex | a4984 |
674180 has 24 divisors (see below), whose sum is σ = 1525272. Its totient is φ = 248832.
The previous prime is 674173. The next prime is 674183. The reversal of 674180 is 81476.
It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 652864 = 146^2 + 808^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (674183) by changing a digit.
674180 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037 + ... + 1556.
It is an arithmetic number, because the mean of its divisors is an integer number (63553).
2674180 is an apocalyptic number.
It is an amenable number.
674180 is an abundant number, since it is smaller than the sum of its proper divisors (851092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
674180 is a wasteful number, since it uses less digits than its factorization.
674180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2615 (or 2613 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 674180 is about 821.0846484986. The cubic root of 674180 is about 87.6849963520.
Subtracting from 674180 its reverse (81476), we obtain a cube (592704 = 843).
The spelling of 674180 in words is "six hundred seventy-four thousand, one hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •