Base | Representation |
---|---|
bin | 1000000000010… |
… | …00100110101011 |
3 | 11200100021101210 |
4 | 10000020212223 |
5 | 114142102412 |
6 | 10355044203 |
7 | 1443500262 |
oct | 400104653 |
9 | 150307353 |
10 | 67144107 |
11 | 349a03a8 |
12 | 1a5a0663 |
13 | 10bab954 |
14 | 8cbb5d9 |
15 | 5d6483c |
hex | 40089ab |
67144107 has 16 divisors (see below), whose sum is σ = 93777408. Its totient is φ = 42651840.
The previous prime is 67144073. The next prime is 67144127. The reversal of 67144107 is 70144176.
It is not a de Polignac number, because 67144107 - 28 = 67143851 is a prime.
It is a super-2 number, since 2×671441072 = 9016662209654898, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (67144127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17658 + ... + 21120.
It is an arithmetic number, because the mean of its divisors is an integer number (5861088).
Almost surely, 267144107 is an apocalyptic number.
67144107 is a deficient number, since it is larger than the sum of its proper divisors (26633301).
67144107 is a wasteful number, since it uses less digits than its factorization.
67144107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3770.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 67144107 is about 8194.1507796720. The cubic root of 67144107 is about 406.4457943150.
The spelling of 67144107 in words is "sixty-seven million, one hundred forty-four thousand, one hundred seven".
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