Search a number
-
+
2490337087 = 71933156569
BaseRepresentation
bin1001010001101111…
…1000011100111111
320102120000020020221
42110123320130333
520100011241322
61051040322211
7115466341660
oct22433703477
96376006227
102490337087
111068804127
12596013367
13308c28154
14198a57367
15e896c9c7
hex946f873f

2490337087 has 16 divisors (see below), whose sum is σ = 3004998400. Its totient is φ = 2016083520.

The previous prime is 2490337081. The next prime is 2490337169. The reversal of 2490337087 is 7807330942.

It is a cyclic number.

It is not a de Polignac number, because 2490337087 - 215 = 2490304319 is a prime.

It is a super-3 number, since 3×24903370873 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490337081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15739 + ... + 72307.

It is an arithmetic number, because the mean of its divisors is an integer number (187812400).

Almost surely, 22490337087 is an apocalyptic number.

2490337087 is a deficient number, since it is larger than the sum of its proper divisors (514661313).

2490337087 is a wasteful number, since it uses less digits than its factorization.

2490337087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56926.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2490337087 is about 49903.2773172264. The cubic root of 2490337087 is about 1355.4579384708.

The spelling of 2490337087 in words is "two billion, four hundred ninety million, three hundred thirty-seven thousand, eighty-seven".

Divisors: 1 7 19 133 331 2317 6289 44023 56569 395983 1074811 7523677 18724339 131070373 355762441 2490337087