Base | Representation |
---|---|
bin | 1011001011100000000001 |
3 | 12111220011001 |
4 | 23023200001 |
5 | 1222240224 |
6 | 142452001 |
7 | 33624166 |
oct | 13134001 |
9 | 5456131 |
10 | 2930689 |
11 | 1721963 |
12 | b94001 |
13 | 7b7c48 |
14 | 56406d |
15 | 3cd544 |
hex | 2cb801 |
2930689 has 2 divisors, whose sum is σ = 2930690. Its totient is φ = 2930688.
The previous prime is 2930657. The next prime is 2930699. The reversal of 2930689 is 9860392.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1703025 + 1227664 = 1305^2 + 1108^2 .
It is a cyclic number.
It is not a de Polignac number, because 2930689 - 25 = 2930657 is a prime.
It is not a weakly prime, because it can be changed into another prime (2930699) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465344 + 1465345.
It is an arithmetic number, because the mean of its divisors is an integer number (1465345).
It is a Proth number, since it is equal to 1431 ⋅ 211 + 1 and 1431 < 211.
22930689 is an apocalyptic number.
It is an amenable number.
2930689 is a deficient number, since it is larger than the sum of its proper divisors (1).
2930689 is an equidigital number, since it uses as much as digits as its factorization.
2930689 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23328, while the sum is 37.
The square root of 2930689 is about 1711.9255240810. The cubic root of 2930689 is about 143.1055832625.
The spelling of 2930689 in words is "two million, nine hundred thirty thousand, six hundred eighty-nine".
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