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2481306249 = 31699486817
BaseRepresentation
bin1001001111100101…
…1011101010001001
320101221000102021110
42103321123222021
520040203244444
61050115000533
7115326520002
oct22371335211
96357012243
102481306249
1110636a6124
12592b99149
133070b5766
141977861a9
15e7c86cb9
hex93e5ba89

2481306249 has 8 divisors (see below), whose sum is σ = 3310362400. Its totient is φ = 1653227136.

The previous prime is 2481306241. The next prime is 2481306251. The reversal of 2481306249 is 9426031842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2481306249 - 23 = 2481306241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2481306241) 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 7 ways as a sum of consecutive naturals, for example, 238312 + ... + 248505.

It is an arithmetic number, because the mean of its divisors is an integer number (413795300).

Almost surely, 22481306249 is an apocalyptic number.

It is an amenable number.

2481306249 is a deficient number, since it is larger than the sum of its proper divisors (829056151).

2481306249 is a wasteful number, since it uses less digits than its factorization.

2481306249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488519.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2481306249 is about 49812.7117210055. The cubic root of 2481306249 is about 1353.8174982224.

The spelling of 2481306249 in words is "two billion, four hundred eighty-one million, three hundred six thousand, two hundred forty-nine".

Divisors: 1 3 1699 5097 486817 1460451 827102083 2481306249