Search a number
-
+
2938740039 = 32798946441
BaseRepresentation
bin1010111100101001…
…1001110101000111
321120210202110110200
42233022121311013
522004304140124
61203335221543
7132552610134
oct25712316507
97523673420
102938740039
111278929984
126a02178b3
1337aab5c41
141dc41b58b
15122ee2bc9
hexaf299d47

2938740039 has 24 divisors (see below), whose sum is σ = 4346971200. Its totient is φ = 1912584960.

The previous prime is 2938740031. The next prime is 2938740043. The reversal of 2938740039 is 9300478392.

It is a happy number.

It is not a de Polignac number, because 2938740039 - 23 = 2938740031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2938739976 and 2938740003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938740031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40059 + ... + 86499.

It is an arithmetic number, because the mean of its divisors is an integer number (181123800).

Almost surely, 22938740039 is an apocalyptic number.

2938740039 is a deficient number, since it is larger than the sum of its proper divisors (1408231161).

2938740039 is a wasteful number, since it uses less digits than its factorization.

2938740039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46615 (or 46612 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2938740039 is about 54210.1470114221. The cubic root of 2938740039 is about 1432.3650756029.

The spelling of 2938740039 in words is "two billion, nine hundred thirty-eight million, seven hundred forty thousand, thirty-nine".

Divisors: 1 3 9 79 89 237 267 711 801 7031 21093 46441 63279 139323 417969 3668839 4133249 11006517 12399747 33019551 37199241 326526671 979580013 2938740039