Search a number
-
+
38880029 is a prime number
BaseRepresentation
bin1001010001010…
…0001100011101
32201011022101002
42110110030131
534423130104
63505200045
7651321566
oct224241435
981138332
1038880029
111aa46161
1211030025
138093b46
14524116d
15363001e
hex251431d

38880029 has 2 divisors, whose sum is σ = 38880030. Its totient is φ = 38880028.

The previous prime is 38879999. The next prime is 38880073. The reversal of 38880029 is 92008883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 996004 = 6155^2 + 998^2 .

It is an emirp because it is prime and its reverse (92008883) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38880029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38879974 and 38880001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38880089) 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 as a sum of consecutive naturals, namely, 19440014 + 19440015.

It is an arithmetic number, because the mean of its divisors is an integer number (19440015).

Almost surely, 238880029 is an apocalyptic number.

It is an amenable number.

38880029 is a deficient number, since it is larger than the sum of its proper divisors (1).

38880029 is an equidigital number, since it uses as much as digits as its factorization.

38880029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 38880029 is about 6235.3852326861. The cubic root of 38880029 is about 338.7730546257.

The spelling of 38880029 in words is "thirty-eight million, eight hundred eighty thousand, twenty-nine".