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8241394049 = 76411836727
BaseRepresentation
bin1111010110011100…
…11011000110000001
3210021100122012021122
413223032123012001
5113334244102144
63441441402025
7411141456620
oct75316330601
923240565248
108241394049
11354a063369
121720039315
13a14561635
145827836b7
153337ce7ee
hex1eb39b181

8241394049 has 8 divisors (see below), whose sum is σ = 9433435008. Its totient is φ = 7053027840.

The previous prime is 8241394033. The next prime is 8241394069. The reversal of 8241394049 is 9404931428.

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

It is a cyclic number.

It is not a de Polignac number, because 8241394049 - 24 = 8241394033 is a prime.

It is a super-2 number, since 2×82413940492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8241394019) 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, 913877 + ... + 922850.

It is an arithmetic number, because the mean of its divisors is an integer number (1179179376).

Almost surely, 28241394049 is an apocalyptic number.

It is an amenable number.

8241394049 is a deficient number, since it is larger than the sum of its proper divisors (1192040959).

8241394049 is a wasteful number, since it uses less digits than its factorization.

8241394049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837375.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 8241394049 is about 90782.1240608524. The cubic root of 8241394049 is about 2019.9171655899.

The spelling of 8241394049 in words is "eight billion, two hundred forty-one million, three hundred ninety-four thousand, forty-nine".

Divisors: 1 7 641 4487 1836727 12857089 1177342007 8241394049