Search a number
-
+
33898741 is a prime number
BaseRepresentation
bin1000000101010…
…0000011110101
32100210020022221
42001110003311
532134224431
63210322341
7561064102
oct201240365
970706287
1033898741
1118153698
12b4293b1
13703b736
144705aa9
152e99111
hex20540f5

33898741 has 2 divisors, whose sum is σ = 33898742. Its totient is φ = 33898740.

The previous prime is 33898729. The next prime is 33898751. The reversal of 33898741 is 14789833.

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., 24108100 + 9790641 = 4910^2 + 3129^2 .

It is an emirp because it is prime and its reverse (14789833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33898741 - 221 = 31801589 is a prime.

It is a super-2 number, since 2×338987412 = 2298249282770162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33898721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16949370 + 16949371.

It is an arithmetic number, because the mean of its divisors is an integer number (16949371).

Almost surely, 233898741 is an apocalyptic number.

It is an amenable number.

33898741 is a deficient number, since it is larger than the sum of its proper divisors (1).

33898741 is an equidigital number, since it uses as much as digits as its factorization.

33898741 is an evil number, because the sum of its binary digits is even.

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

The square root of 33898741 is about 5822.2625327273. The cubic root of 33898741 is about 323.6392526297.

The spelling of 33898741 in words is "thirty-three million, eight hundred ninety-eight thousand, seven hundred forty-one".