Search a number
-
+
2531004249 = 32364357047
BaseRepresentation
bin1001011011011100…
…0000111101011001
320112101112100010010
42112313000331121
520140414113444
61055052112133
7116502116064
oct22667007531
96471470103
102531004249
11108975aa54
125a7765649
13314496567
141a02018db
15ec3022b9
hex96dc0f59

2531004249 has 16 divisors (see below), whose sum is σ = 3526935552. Its totient is φ = 1611435408.

The previous prime is 2531004239. The next prime is 2531004257. The reversal of 2531004249 is 9424001352.

It is not a de Polignac number, because 2531004249 - 225 = 2497449817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2531004239) by changing a digit.

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, 15844 + ... + 72890.

It is an arithmetic number, because the mean of its divisors is an integer number (220433472).

Almost surely, 22531004249 is an apocalyptic number.

It is an amenable number.

2531004249 is a deficient number, since it is larger than the sum of its proper divisors (995931303).

2531004249 is a wasteful number, since it uses less digits than its factorization.

2531004249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57716.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2531004249 is about 50309.0871413903. The cubic root of 2531004249 is about 1362.7963385841.

The spelling of 2531004249 in words is "two billion, five hundred thirty-one million, four thousand, two hundred forty-nine".

Divisors: 1 3 23 69 643 1929 14789 44367 57047 171141 1312081 3936243 36681221 110043663 843668083 2531004249