Search a number
-
+
38193733 is a prime number
BaseRepresentation
bin1001000110110…
…0101001000101
32122212102221201
42101230221011
534234144413
63442342501
7642432664
oct221545105
978772851
1038193733
111a617576
121095aa31
137bb3656
145102ddb
1535469dd
hex246ca45

38193733 has 2 divisors, whose sum is σ = 38193734. Its totient is φ = 38193732.

The previous prime is 38193721. The next prime is 38193773. The reversal of 38193733 is 33739183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36024004 + 2169729 = 6002^2 + 1473^2 .

It is a cyclic number.

It is not a de Polignac number, because 38193733 - 213 = 38185541 is a prime.

It is a super-2 number, since 2×381937332 = 2917522480950578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38193692 and 38193701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38193703) 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, 19096866 + 19096867.

It is an arithmetic number, because the mean of its divisors is an integer number (19096867).

Almost surely, 238193733 is an apocalyptic number.

It is an amenable number.

38193733 is a deficient number, since it is larger than the sum of its proper divisors (1).

38193733 is an equidigital number, since it uses as much as digits as its factorization.

38193733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 38193733 is about 6180.1078469554. The cubic root of 38193733 is about 336.7679107108.

The spelling of 38193733 in words is "thirty-eight million, one hundred ninety-three thousand, seven hundred thirty-three".