Base | Representation |
---|---|
bin | 1011110001001011001101 |
3 | 12210201211110 |
4 | 23301023031 |
5 | 1242210010 |
6 | 150042233 |
7 | 35136120 |
oct | 13611315 |
9 | 5721743 |
10 | 3085005 |
11 | 18178a0 |
12 | 1049379 |
13 | 840261 |
14 | 5a43b7 |
15 | 40e120 |
hex | 2f12cd |
3085005 has 32 divisors (see below), whose sum is σ = 6156288. Its totient is φ = 1281600.
The previous prime is 3085001. The next prime is 3085009. The reversal of 3085005 is 5005803.
It is an interprime number because it is at equal distance from previous prime (3085001) and next prime (3085009).
It is not a de Polignac number, because 3085005 - 22 = 3085001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3085001) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181 + ... + 2490.
It is an arithmetic number, because the mean of its divisors is an integer number (192384).
Almost surely, 23085005 is an apocalyptic number.
3085005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3085005 is a deficient number, since it is larger than the sum of its proper divisors (3071283).
3085005 is a wasteful number, since it uses less digits than its factorization.
3085005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2697.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 3085005 is about 1756.4182303768. The cubic root of 3085005 is about 145.5744945109.
It can be divided in two parts, 308500 and 5, that added together give a triangular number (308505 = T785).
The spelling of 3085005 in words is "three million, eighty-five thousand, five".
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