Base | Representation |
---|---|
bin | 11010001101010110011101 |
3 | 110221001110100 |
4 | 122031112131 |
5 | 3224323204 |
6 | 403131313 |
7 | 112253256 |
oct | 32152635 |
9 | 13831410 |
10 | 6870429 |
11 | 3972945 |
12 | 2373b39 |
13 | 1567257 |
14 | cabb2d |
15 | 90aa39 |
hex | 68d59d |
6870429 has 6 divisors (see below), whose sum is σ = 9923966. Its totient is φ = 4580280.
The previous prime is 6870421. The next prime is 6870433. The reversal of 6870429 is 9240786.
It can be written as a sum of positive squares in only one way, i.e., 5890329 + 980100 = 2427^2 + 990^2 .
It is not a de Polignac number, because 6870429 - 23 = 6870421 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6870393 and 6870402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6870421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 381682 + ... + 381699.
Almost surely, 26870429 is an apocalyptic number.
It is an amenable number.
6870429 is a deficient number, since it is larger than the sum of its proper divisors (3053537).
6870429 is a wasteful number, since it uses less digits than its factorization.
6870429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763387 (or 763384 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 6870429 is about 2621.1503199931. The cubic root of 6870429 is about 190.1054723722.
The spelling of 6870429 in words is "six million, eight hundred seventy thousand, four hundred twenty-nine".
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