Base | Representation |
---|---|
bin | 1011010110010100001001 |
3 | 12121010220122 |
4 | 23112110021 |
5 | 1230144420 |
6 | 143433025 |
7 | 34200266 |
oct | 13262411 |
9 | 5533818 |
10 | 2974985 |
11 | 1752172 |
12 | bb5775 |
13 | 802160 |
14 | 57626d |
15 | 3db725 |
hex | 2d6509 |
2974985 has 16 divisors (see below), whose sum is σ = 3951696. Its totient is φ = 2135808.
The previous prime is 2974973. The next prime is 2974987. The reversal of 2974985 is 5894792.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 26896 + 2948089 = 164^2 + 1717^2 .
It is a cyclic number.
It is not a de Polignac number, because 2974985 - 210 = 2973961 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2974987) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1787 + ... + 3023.
It is an arithmetic number, because the mean of its divisors is an integer number (246981).
22974985 is an apocalyptic number.
It is an amenable number.
2974985 is a deficient number, since it is larger than the sum of its proper divisors (976711).
2974985 is a wasteful number, since it uses less digits than its factorization.
2974985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1292.
The product of its digits is 181440, while the sum is 44.
The square root of 2974985 is about 1724.8144827778. The cubic root of 2974985 is about 143.8229724022.
The spelling of 2974985 in words is "two million, nine hundred seventy-four thousand, nine hundred eighty-five".
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