Base | Representation |
---|---|
bin | 1011011010001101011010 |
3 | 12121221210111 |
4 | 23122031122 |
5 | 1231202223 |
6 | 144034534 |
7 | 34264636 |
oct | 13321532 |
9 | 5557714 |
10 | 2990938 |
11 | 1763155 |
12 | 1002a4a |
13 | 8094b2 |
14 | 57bdc6 |
15 | 3e130d |
hex | 2da35a |
2990938 has 4 divisors (see below), whose sum is σ = 4486410. Its totient is φ = 1495468.
The previous prime is 2990927. The next prime is 2990941. The reversal of 2990938 is 8390992.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 2948089 + 42849 = 1717^2 + 207^2 .
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 2990938.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747733 + ... + 747736.
22990938 is an apocalyptic number.
2990938 is a deficient number, since it is larger than the sum of its proper divisors (1495472).
2990938 is a wasteful number, since it uses less digits than its factorization.
2990938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1495471.
The product of its (nonzero) digits is 34992, while the sum is 40.
The square root of 2990938 is about 1729.4328550135. The cubic root of 2990938 is about 144.0795920592.
The spelling of 2990938 in words is "two million, nine hundred ninety thousand, nine hundred thirty-eight".
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