Base | Representation |
---|---|
bin | 1010010001100100001101 |
3 | 12001211122011 |
4 | 22101210031 |
5 | 1142142024 |
6 | 133421221 |
7 | 31615306 |
oct | 12214415 |
9 | 5054564 |
10 | 2693389 |
11 | 157a646 |
12 | a9a811 |
13 | 733c2a |
14 | 5017ad |
15 | 383094 |
hex | 29190d |
2693389 has 2 divisors, whose sum is σ = 2693390. Its totient is φ = 2693388.
The previous prime is 2693381. The next prime is 2693393. The reversal of 2693389 is 9833962.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2673225 + 20164 = 1635^2 + 142^2 .
It is a cyclic number.
It is not a de Polignac number, because 2693389 - 23 = 2693381 is a prime.
2693389 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2693381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346694 + 1346695.
It is an arithmetic number, because the mean of its divisors is an integer number (1346695).
22693389 is an apocalyptic number.
It is an amenable number.
2693389 is a deficient number, since it is larger than the sum of its proper divisors (1).
2693389 is an equidigital number, since it uses as much as digits as its factorization.
2693389 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 69984, while the sum is 40.
The square root of 2693389 is about 1641.1547763694. The cubic root of 2693389 is about 139.1339219617.
The spelling of 2693389 in words is "two million, six hundred ninety-three thousand, three hundred eighty-nine".
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