Search a number
-
+
2938597405 = 52921539413
BaseRepresentation
bin1010111100100111…
…0111000000011101
321120210111012210221
42233021313000131
522004240104110
61203332201341
7132551444242
oct25711670035
97523435727
102938597405
1112788417a7
126a0169251
1337aa66043
141dc3c15c9
15122eb57da
hexaf27701d

2938597405 has 16 divisors (see below), whose sum is σ = 3649996080. Its totient is φ = 2268517888.

The previous prime is 2938597397. The next prime is 2938597411. The reversal of 2938597405 is 5047958392.

It can be written as a sum of positive squares in 8 ways, for example, as 9947716 + 2928649689 = 3154^2 + 54117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938597405 - 23 = 2938597397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307479 + ... + 316891.

It is an arithmetic number, because the mean of its divisors is an integer number (228124755).

Almost surely, 22938597405 is an apocalyptic number.

It is an amenable number.

2938597405 is a deficient number, since it is larger than the sum of its proper divisors (711398675).

2938597405 is a wasteful number, since it uses less digits than its factorization.

2938597405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 2938597405 is about 54208.8314299432. The cubic root of 2938597405 is about 1432.3419015825.

The spelling of 2938597405 in words is "two billion, nine hundred thirty-eight million, five hundred ninety-seven thousand, four hundred five".

Divisors: 1 5 29 145 2153 9413 10765 47065 62437 272977 312185 1364885 20266189 101330945 587719481 2938597405