Base | Representation |
---|---|
bin | 1001001100111… |
… | …0110110010101 |
3 | 2200121212202002 |
4 | 2103032312111 |
5 | 34340032424 |
6 | 3455125045 |
7 | 646026515 |
oct | 223166625 |
9 | 80555662 |
10 | 38595989 |
11 | 1a871813 |
12 | 10b13785 |
13 | 7cc4783 |
14 | 51a9845 |
15 | 35c5cae |
hex | 24ced95 |
38595989 has 2 divisors, whose sum is σ = 38595990. Its totient is φ = 38595988.
The previous prime is 38595959. The next prime is 38596027. The reversal of 38595989 is 98959583.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 33443089 + 5152900 = 5783^2 + 2270^2 .
It is a cyclic number.
It is not a de Polignac number, because 38595989 - 212 = 38591893 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (38595929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19297994 + 19297995.
It is an arithmetic number, because the mean of its divisors is an integer number (19297995).
Almost surely, 238595989 is an apocalyptic number.
It is an amenable number.
38595989 is a deficient number, since it is larger than the sum of its proper divisors (1).
38595989 is an equidigital number, since it uses as much as digits as its factorization.
38595989 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3499200, while the sum is 56.
The square root of 38595989 is about 6212.5670217713. The cubic root of 38595989 is about 337.9460629595.
The spelling of 38595989 in words is "thirty-eight million, five hundred ninety-five thousand, nine hundred eighty-nine".
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