Base | Representation |
---|---|
bin | 1011011010001000101101 |
3 | 12121221101100 |
4 | 23122020231 |
5 | 1231200022 |
6 | 144033313 |
7 | 34264026 |
oct | 13321055 |
9 | 5557340 |
10 | 2990637 |
11 | 1762a01 |
12 | 1002839 |
13 | 809310 |
14 | 57bc4d |
15 | 3e11ac |
hex | 2da22d |
2990637 has 12 divisors (see below), whose sum is σ = 4652284. Its totient is φ = 1840320.
The previous prime is 2990629. The next prime is 2990639. The reversal of 2990637 is 7360992.
2990637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 1565001 = 1194^2 + 1251^2 .
It is not a de Polignac number, because 2990637 - 23 = 2990629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2990639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12664 + ... + 12897.
22990637 is an apocalyptic number.
It is an amenable number.
2990637 is a deficient number, since it is larger than the sum of its proper divisors (1661647).
2990637 is a wasteful number, since it uses less digits than its factorization.
2990637 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25580 (or 25577 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 2990637 is about 1729.3458300756. The cubic root of 2990637 is about 144.0747586355.
The spelling of 2990637 in words is "two million, nine hundred ninety thousand, six hundred thirty-seven".
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