Base | Representation |
---|---|
bin | 1011011010001111000110 |
3 | 12121221221111 |
4 | 23122033012 |
5 | 1231203141 |
6 | 144035234 |
7 | 34265152 |
oct | 13321706 |
9 | 5557844 |
10 | 2991046 |
11 | 1763243 |
12 | 1002b1a |
13 | 809566 |
14 | 57c062 |
15 | 3e1381 |
hex | 2da3c6 |
2991046 has 8 divisors (see below), whose sum is σ = 4503600. Its totient is φ = 1489848.
The previous prime is 2991041. The next prime is 2991047. The reversal of 2991046 is 6401992.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2990999 and 2991017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2991041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146 + ... + 3253.
It is an arithmetic number, because the mean of its divisors is an integer number (562950).
22991046 is an apocalyptic number.
2991046 is a deficient number, since it is larger than the sum of its proper divisors (1512554).
2991046 is a wasteful number, since it uses less digits than its factorization.
2991046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5678.
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 2991046 is about 1729.4640788406. The cubic root of 2991046 is about 144.0813262319.
The spelling of 2991046 in words is "two million, nine hundred ninety-one thousand, forty-six".
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