Search a number
-
+
38930797 is a prime number
BaseRepresentation
bin1001010010000…
…0100101101101
32201020220000101
42110200211231
534431241142
63510231101
7651622603
oct224404555
981226011
1038930797
111aa80314
1211055491
1380b0c99
145255873
1536400b7
hex252096d

38930797 has 2 divisors, whose sum is σ = 38930798. Its totient is φ = 38930796.

The previous prime is 38930783. The next prime is 38930803. The reversal of 38930797 is 79703983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35354916 + 3575881 = 5946^2 + 1891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38930797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38930777) 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, 19465398 + 19465399.

It is an arithmetic number, because the mean of its divisors is an integer number (19465399).

Almost surely, 238930797 is an apocalyptic number.

It is an amenable number.

38930797 is a deficient number, since it is larger than the sum of its proper divisors (1).

38930797 is an equidigital number, since it uses as much as digits as its factorization.

38930797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 38930797 is about 6239.4548640086. The cubic root of 38930797 is about 338.9204426331.

The spelling of 38930797 in words is "thirty-eight million, nine hundred thirty thousand, seven hundred ninety-seven".