Base | Representation |
---|---|
bin | 1000000010011… |
… | …00111100110001 |
3 | 11200212111102000 |
4 | 10001030330301 |
5 | 114230032144 |
6 | 10405044213 |
7 | 1446044400 |
oct | 401147461 |
9 | 150774360 |
10 | 67424049 |
11 | 35071760 |
12 | 1a6b6669 |
13 | 10c791b4 |
14 | 8d51637 |
15 | 5dbc769 |
hex | 404cf31 |
67424049 has 96 divisors (see below), whose sum is σ = 130999680. Its totient is φ = 33868800.
The previous prime is 67424047. The next prime is 67424069. The reversal of 67424049 is 94042476.
It is not a de Polignac number, because 67424049 - 21 = 67424047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67424047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 596617 + ... + 596729.
It is an arithmetic number, because the mean of its divisors is an integer number (1364580).
Almost surely, 267424049 is an apocalyptic number.
It is an amenable number.
67424049 is a deficient number, since it is larger than the sum of its proper divisors (63575631).
67424049 is a wasteful number, since it uses less digits than its factorization.
67424049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188 (or 175 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 67424049 is about 8211.2148309492. The cubic root of 67424049 is about 407.0098720407.
It can be divided in two parts, 6742404 and 9, that multiplied together give a triangular number (60681636 = T11016).
The spelling of 67424049 in words is "sixty-seven million, four hundred twenty-four thousand, forty-nine".
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