Search a number
-
+
38841793 is a prime number
BaseRepresentation
bin1001010000101…
…0110111000001
32201002100220221
42110022313001
534420414133
63504303041
7651102244
oct224126701
981070827
1038841793
111aa1a461
1211011a81
13807c613
14523125b
153623a2d
hex250adc1

38841793 has 2 divisors, whose sum is σ = 38841794. Its totient is φ = 38841792.

The previous prime is 38841773. The next prime is 38841809. The reversal of 38841793 is 39714883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 3969 = 6232^2 + 63^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38841793 is a prime.

It is not a weakly prime, because it can be changed into another prime (38841703) 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, 19420896 + 19420897.

It is an arithmetic number, because the mean of its divisors is an integer number (19420897).

Almost surely, 238841793 is an apocalyptic number.

It is an amenable number.

38841793 is a deficient number, since it is larger than the sum of its proper divisors (1).

38841793 is an equidigital number, since it uses as much as digits as its factorization.

38841793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 38841793 is about 6232.3184289637. The cubic root of 38841793 is about 338.6619643871.

The spelling of 38841793 in words is "thirty-eight million, eight hundred forty-one thousand, seven hundred ninety-three".