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8340248971 = 10259812969
BaseRepresentation
bin1111100010001111…
…00001100110001011
3210112020122112202001
413301013201212023
5114040100431341
63455332251431
7413451642445
oct76107414613
923466575661
108340248971
11359a94254a
121749170b77
13a2bb93b82
14591957495
1533c309d31
hex1f11e198b

8340248971 has 4 divisors (see below), whose sum is σ = 8341072200. Its totient is φ = 8339425744.

The previous prime is 8340248963. The next prime is 8340248993. The reversal of 8340248971 is 1798420438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8340248971 - 23 = 8340248963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8340245971) 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 3 ways as a sum of consecutive naturals, for example, 396226 + ... + 416743.

It is an arithmetic number, because the mean of its divisors is an integer number (2085268050).

Almost surely, 28340248971 is an apocalyptic number.

8340248971 is a deficient number, since it is larger than the sum of its proper divisors (823229).

8340248971 is a wasteful number, since it uses less digits than its factorization.

8340248971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823228.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 8340248971 is about 91324.9635696615. The cubic root of 8340248971 is about 2027.9613408588.

The spelling of 8340248971 in words is "eight billion, three hundred forty million, two hundred forty-eight thousand, nine hundred seventy-one".

Divisors: 1 10259 812969 8340248971