Search a number
-
+
939948239 is a prime number
BaseRepresentation
bin111000000001100…
…111100011001111
32102111200022120202
4320001213203033
53411111320424
6233134204115
732202266606
oct7001474317
92374608522
10939948239
1144263802a
1222295363b
1311c9727b9
148cb98a3d
15577bd2ae
hex380678cf

939948239 has 2 divisors, whose sum is σ = 939948240. Its totient is φ = 939948238.

The previous prime is 939948227. The next prime is 939948257. The reversal of 939948239 is 932849939.

939948239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-939948239 is a prime.

It is a super-2 number, since 2×9399482392 = 1767005383998402242, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939948539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469974119 + 469974120.

It is an arithmetic number, because the mean of its divisors is an integer number (469974120).

Almost surely, 2939948239 is an apocalyptic number.

939948239 is a deficient number, since it is larger than the sum of its proper divisors (1).

939948239 is an equidigital number, since it uses as much as digits as its factorization.

939948239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 56.

The square root of 939948239 is about 30658.5752930563. The cubic root of 939948239 is about 979.5681281172.

The spelling of 939948239 in words is "nine hundred thirty-nine million, nine hundred forty-eight thousand, two hundred thirty-nine".