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2490867317 = 23108298579
BaseRepresentation
bin1001010001110111…
…1001111001110101
320102121000011121002
42110131321321311
520100130223232
61051055533045
7115504010561
oct22435717165
96377004532
102490867317
111069036534
1259622a185
133090825b3
14198b546a1
15e8a24b62
hex94779e75

2490867317 has 4 divisors (see below), whose sum is σ = 2599165920. Its totient is φ = 2382568716.

The previous prime is 2490867311. The next prime is 2490867347. The reversal of 2490867317 is 7137680942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2490867317 - 210 = 2490866293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490867311) 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 3 ways as a sum of consecutive naturals, for example, 54149267 + ... + 54149312.

It is an arithmetic number, because the mean of its divisors is an integer number (649791480).

Almost surely, 22490867317 is an apocalyptic number.

It is an amenable number.

2490867317 is a deficient number, since it is larger than the sum of its proper divisors (108298603).

2490867317 is a wasteful number, since it uses less digits than its factorization.

2490867317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108298602.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 2490867317 is about 49908.5896114086. The cubic root of 2490867317 is about 1355.5541307312.

The spelling of 2490867317 in words is "two billion, four hundred ninety million, eight hundred sixty-seven thousand, three hundred seventeen".

Divisors: 1 23 108298579 2490867317