Base | Representation |
---|---|
bin | 1111111110011… |
… | …0011010000110 |
3 | 11200002011021001 |
4 | 3333212122012 |
5 | 114123112123 |
6 | 10352043514 |
7 | 1442345023 |
oct | 377463206 |
9 | 150064231 |
10 | 67004038 |
11 | 34905142 |
12 | 1a53359a |
13 | 10b5cc7a |
14 | 8c8254a |
15 | 5d380ad |
hex | 3fe6686 |
67004038 has 16 divisors (see below), whose sum is σ = 106581744. Its totient is φ = 31482880.
The previous prime is 67004033. The next prime is 67004039. The reversal of 67004038 is 83040076.
It is a super-2 number, since 2×670040382 = 8979082216610888, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 67003997 and 67004015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67004033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31158 + ... + 33238.
It is an arithmetic number, because the mean of its divisors is an integer number (6661359).
Almost surely, 267004038 is an apocalyptic number.
67004038 is a deficient number, since it is larger than the sum of its proper divisors (39577706).
67004038 is a wasteful number, since it uses less digits than its factorization.
67004038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3047.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 67004038 is about 8185.5994282642. The cubic root of 67004038 is about 406.1629693489.
The spelling of 67004038 in words is "sixty-seven million, four thousand, thirty-eight".
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