Base | Representation |
---|---|
bin | 1000000010010… |
… | …01100001100100 |
3 | 11200211210011102 |
4 | 10001021201210 |
5 | 114224110040 |
6 | 10404455232 |
7 | 1445655446 |
oct | 401114144 |
9 | 150753142 |
10 | 67410020 |
11 | 35062167 |
12 | 1a6aa518 |
13 | 10c729b2 |
14 | 8d4a496 |
15 | 5db8515 |
hex | 4049864 |
67410020 has 12 divisors (see below), whose sum is σ = 141561084. Its totient is φ = 26964000.
The previous prime is 67410019. The next prime is 67410061. The reversal of 67410020 is 2001476.
It can be written as a sum of positive squares in 2 ways, for example, as 19412836 + 47997184 = 4406^2 + 6928^2 .
It is a super-2 number, since 2×674100202 = 9088221592800800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 3370501 = 67410020 / (6 + 7 + 4 + 1 + 0 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 67409974 and 67410001.
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, 1685231 + ... + 1685270.
It is an arithmetic number, because the mean of its divisors is an integer number (11796757).
Almost surely, 267410020 is an apocalyptic number.
It is an amenable number.
67410020 is an abundant number, since it is smaller than the sum of its proper divisors (74151064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67410020 is a wasteful number, since it uses less digits than its factorization.
67410020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3370510 (or 3370508 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 67410020 is about 8210.3605280158. The cubic root of 67410020 is about 406.9816410774.
Adding to 67410020 its reverse (2001476), we get a palindrome (69411496).
The spelling of 67410020 in words is "sixty-seven million, four hundred ten thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •