Base | Representation |
---|---|
bin | 1111111111010… |
… | …0011011000001 |
3 | 11200012002000002 |
4 | 3333310123001 |
5 | 114131431231 |
6 | 10353205345 |
7 | 1443004256 |
oct | 377643301 |
9 | 150162002 |
10 | 67061441 |
11 | 34944287 |
12 | 1a560855 |
13 | 10b80135 |
14 | 8c9942d |
15 | 5d4a0cb |
hex | 3ff46c1 |
67061441 has 4 divisors (see below), whose sum is σ = 67910400. Its totient is φ = 66212484.
The previous prime is 67061429. The next prime is 67061479. The reversal of 67061441 is 14416076.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 67061441 - 222 = 62867137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (67061041) 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, 424361 + ... + 424518.
It is an arithmetic number, because the mean of its divisors is an integer number (16977600).
Almost surely, 267061441 is an apocalyptic number.
It is an amenable number.
67061441 is a deficient number, since it is larger than the sum of its proper divisors (848959).
67061441 is an equidigital number, since it uses as much as digits as its factorization.
67061441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 848958.
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 67061441 is about 8189.1050182544. The cubic root of 67061441 is about 406.2789241418.
The spelling of 67061441 in words is "sixty-seven million, sixty-one thousand, four hundred forty-one".
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