Base | Representation |
---|---|
bin | 1011111011001101000001 |
3 | 12212211011210 |
4 | 23323031001 |
5 | 1300013311 |
6 | 151000333 |
7 | 35366640 |
oct | 13731501 |
9 | 5784153 |
10 | 3126081 |
11 | 1845742 |
12 | 10690a9 |
13 | 855b6a |
14 | 5b5357 |
15 | 41b3a6 |
hex | 2fb341 |
3126081 has 8 divisors (see below), whose sum is σ = 4763584. Its totient is φ = 1786320.
The previous prime is 3126077. The next prime is 3126083. The reversal of 3126081 is 1806213.
3126081 = T283 + T284 + ... + T345.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3126081 - 22 = 3126077 is a prime.
It is a super-2 number, since 2×31260812 = 19544764837122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 148861 = 3126081 / (3 + 1 + 2 + 6 + 0 + 8 + 1).
It is a Curzon number.
3126081 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (3126083) 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, 74410 + ... + 74451.
It is an arithmetic number, because the mean of its divisors is an integer number (595448).
Almost surely, 23126081 is an apocalyptic number.
It is an amenable number.
3126081 is a deficient number, since it is larger than the sum of its proper divisors (1637503).
3126081 is a wasteful number, since it uses less digits than its factorization.
3126081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148871.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 3126081 is about 1768.0726795016. The cubic root of 3126081 is about 146.2177429041.
The spelling of 3126081 in words is "three million, one hundred twenty-six thousand, eighty-one".
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