Base | Representation |
---|---|
bin | 1000000000010… |
… | …00110011101101 |
3 | 11200100022112200 |
4 | 10000020303231 |
5 | 114142114231 |
6 | 10355052113 |
7 | 1443502563 |
oct | 400106355 |
9 | 150308480 |
10 | 67144941 |
11 | 349a0a96 |
12 | 1a5a1039 |
13 | 10bac146 |
14 | 8cbba33 |
15 | 5d64be6 |
hex | 4008ced |
67144941 has 12 divisors (see below), whose sum is σ = 97188000. Its totient is φ = 44670600.
The previous prime is 67144937. The next prime is 67144943. The reversal of 67144941 is 14944176.
It is not a de Polignac number, because 67144941 - 22 = 67144937 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 67144896 and 67144905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67144943) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2985 + ... + 11966.
It is an arithmetic number, because the mean of its divisors is an integer number (8099000).
Almost surely, 267144941 is an apocalyptic number.
It is an amenable number.
67144941 is a deficient number, since it is larger than the sum of its proper divisors (30043059).
67144941 is a wasteful number, since it uses less digits than its factorization.
67144941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15456 (or 15453 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 67144941 is about 8194.2016694734. The cubic root of 67144941 is about 406.4474771353.
The spelling of 67144941 in words is "sixty-seven million, one hundred forty-four thousand, nine hundred forty-one".
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