Base | Representation |
---|---|
bin | 1000000010010… |
… | …10010110110111 |
3 | 11200211221211202 |
4 | 10001022112313 |
5 | 114224212211 |
6 | 10404523115 |
7 | 1446001421 |
oct | 401122667 |
9 | 150757752 |
10 | 67413431 |
11 | 35064788 |
12 | 1a6b049b |
13 | 10c74407 |
14 | 8d4b811 |
15 | 5db953b |
hex | 404a5b7 |
67413431 has 2 divisors, whose sum is σ = 67413432. Its totient is φ = 67413430.
The previous prime is 67413419. The next prime is 67413473. The reversal of 67413431 is 13431476.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 67413431 - 210 = 67412407 is a prime.
It is a super-2 number, since 2×674134312 = 9089141358383522, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 67413394 and 67413403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (67413481) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33706715 + 33706716.
It is an arithmetic number, because the mean of its divisors is an integer number (33706716).
Almost surely, 267413431 is an apocalyptic number.
67413431 is a deficient number, since it is larger than the sum of its proper divisors (1).
67413431 is an equidigital number, since it uses as much as digits as its factorization.
67413431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6048, while the sum is 29.
The square root of 67413431 is about 8210.5682507364. The cubic root of 67413431 is about 406.9885054919.
The spelling of 67413431 in words is "sixty-seven million, four hundred thirteen thousand, four hundred thirty-one".
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