Base | Representation |
---|---|
bin | 11010001011001001110101 |
3 | 110220121010000 |
4 | 122023021311 |
5 | 3224031204 |
6 | 403021513 |
7 | 112215111 |
oct | 32131165 |
9 | 13817100 |
10 | 6861429 |
11 | 3967103 |
12 | 236a899 |
13 | 1563123 |
14 | ca8741 |
15 | 908039 |
hex | 68b275 |
6861429 has 40 divisors (see below), whose sum is σ = 11151360. Its totient is φ = 4191264.
The previous prime is 6861427. The next prime is 6861431. The reversal of 6861429 is 9241686.
It is an interprime number because it is at equal distance from previous prime (6861427) and next prime (6861431).
It is not a de Polignac number, because 6861429 - 21 = 6861427 is a prime.
It is a nialpdrome in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 6861393 and 6861402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6861427) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53964 + ... + 54090.
It is an arithmetic number, because the mean of its divisors is an integer number (278784).
Almost surely, 26861429 is an apocalyptic number.
6861429 is a gapful number since it is divisible by the number (69) formed by its first and last digit.
It is an amenable number.
6861429 is a deficient number, since it is larger than the sum of its proper divisors (4289931).
6861429 is a wasteful number, since it uses less digits than its factorization.
6861429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191 (or 182 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 6861429 is about 2619.4329539043. The cubic root of 6861429 is about 190.0224257925.
The spelling of 6861429 in words is "six million, eight hundred sixty-one thousand, four hundred twenty-nine".
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