Base | Representation |
---|---|
bin | 1010000100000011001110 |
3 | 11222000200211 |
4 | 22010003032 |
5 | 1133404110 |
6 | 132313034 |
7 | 31265023 |
oct | 12040316 |
9 | 4860624 |
10 | 2638030 |
11 | 1541a9a |
12 | a7277a |
13 | 714985 |
14 | 4c954a |
15 | 37198a |
hex | 2840ce |
2638030 has 8 divisors (see below), whose sum is σ = 4748472. Its totient is φ = 1055208.
The previous prime is 2638003. The next prime is 2638039. The reversal of 2638030 is 308362.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 2637992 and 2638010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2638039) 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, 131892 + ... + 131911.
It is an arithmetic number, because the mean of its divisors is an integer number (593559).
22638030 is an apocalyptic number.
2638030 is a deficient number, since it is larger than the sum of its proper divisors (2110442).
2638030 is a wasteful number, since it uses less digits than its factorization.
2638030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263810.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 2638030 is about 1624.2013421987. The cubic root of 2638030 is about 138.1740784352.
The spelling of 2638030 in words is "two million, six hundred thirty-eight thousand, thirty".
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